refactor to use `remove_range` and `replace_range` instead of TextEdit

47 files changed, 619 insertions, 755 deletions

diff --git a/crates/ra_ide_api/src/completion/complete_dot.rs b/crates/ra_ide_api/src/completion/complete_dot.rs
index aaf739500..e1c0d26c7 100644
--- a/crates/ra_ide_api/src/completion/complete_dot.rs
+++ b/crates/ra_ide_api/src/completion/complete_dot.rs
@@ -31,7 +31,7 @@ fn complete_fields(acc: &mut Completions, ctx: &CompletionContext, receiver: Ty)
                         for field in s.fields(ctx.db) {
                             CompletionItem::new(
                                 CompletionKind::Reference,
-                                ctx,
+                                ctx.leaf_range(),
                                 field.name().to_string(),
                             )
                             .kind(CompletionItemKind::Field)
@@ -45,7 +45,7 @@ fn complete_fields(acc: &mut Completions, ctx: &CompletionContext, receiver: Ty)
             }
             Ty::Tuple(fields) => {
                 for (i, _ty) in fields.iter().enumerate() {
-                    CompletionItem::new(CompletionKind::Reference, ctx, i.to_string())
+                    CompletionItem::new(CompletionKind::Reference, ctx.leaf_range(), i.to_string())
                         .kind(CompletionItemKind::Field)
                         .add_to(acc);
                 }
@@ -59,10 +59,14 @@ fn complete_methods(acc: &mut Completions, ctx: &CompletionContext, receiver: Ty
     receiver.iterate_methods(ctx.db, |func| {
         let sig = func.signature(ctx.db);
         if sig.has_self_param() {
-            CompletionItem::new(CompletionKind::Reference, ctx, sig.name().to_string())
-                .from_function(ctx, func)
-                .kind(CompletionItemKind::Method)
-                .add_to(acc);
+            CompletionItem::new(
+                CompletionKind::Reference,
+                ctx.leaf_range(),
+                sig.name().to_string(),
+            )
+            .from_function(ctx, func)
+            .kind(CompletionItemKind::Method)
+            .add_to(acc);
         }
         None::<()>
     });
diff --git a/crates/ra_ide_api/src/completion/complete_fn_param.rs b/crates/ra_ide_api/src/completion/complete_fn_param.rs
index e3d1470c2..c3e3ea931 100644
--- a/crates/ra_ide_api/src/completion/complete_fn_param.rs
+++ b/crates/ra_ide_api/src/completion/complete_fn_param.rs
@@ -34,7 +34,7 @@ pub(super) fn complete_fn_param(acc: &mut Completions, ctx: &CompletionContext)
             }
         })
         .for_each(|(label, lookup)| {
-            CompletionItem::new(CompletionKind::Magic, ctx, label)
+            CompletionItem::new(CompletionKind::Magic, ctx.leaf_range(), label)
                 .lookup_by(lookup)
                 .add_to(acc)
         });
diff --git a/crates/ra_ide_api/src/completion/complete_keyword.rs b/crates/ra_ide_api/src/completion/complete_keyword.rs
index 3fbf36313..006b20076 100644
--- a/crates/ra_ide_api/src/completion/complete_keyword.rs
+++ b/crates/ra_ide_api/src/completion/complete_keyword.rs
@@ -9,25 +9,26 @@ use crate::completion::{CompletionContext, CompletionItem, Completions, Completi
 
 pub(super) fn complete_use_tree_keyword(acc: &mut Completions, ctx: &CompletionContext) {
     // complete keyword "crate" in use stmt
+    let leaf_range = ctx.leaf_range();
     match (ctx.use_item_syntax.as_ref(), ctx.path_prefix.as_ref()) {
         (Some(_), None) => {
-            CompletionItem::new(CompletionKind::Keyword, ctx, "crate")
+            CompletionItem::new(CompletionKind::Keyword, leaf_range, "crate")
                 .kind(CompletionItemKind::Keyword)
                 .insert_text("crate::")
                 .add_to(acc);
-            CompletionItem::new(CompletionKind::Keyword, ctx, "self")
+            CompletionItem::new(CompletionKind::Keyword, leaf_range, "self")
                 .kind(CompletionItemKind::Keyword)
                 .add_to(acc);
-            CompletionItem::new(CompletionKind::Keyword, ctx, "super")
+            CompletionItem::new(CompletionKind::Keyword, leaf_range, "super")
                 .kind(CompletionItemKind::Keyword)
                 .insert_text("super::")
                 .add_to(acc);
         }
         (Some(_), Some(_)) => {
-            CompletionItem::new(CompletionKind::Keyword, ctx, "self")
+            CompletionItem::new(CompletionKind::Keyword, leaf_range, "self")
                 .kind(CompletionItemKind::Keyword)
                 .add_to(acc);
-            CompletionItem::new(CompletionKind::Keyword, ctx, "super")
+            CompletionItem::new(CompletionKind::Keyword, leaf_range, "super")
                 .kind(CompletionItemKind::Keyword)
                 .insert_text("super::")
                 .add_to(acc);
@@ -37,7 +38,7 @@ pub(super) fn complete_use_tree_keyword(acc: &mut Completions, ctx: &CompletionC
 }
 
 fn keyword(ctx: &CompletionContext, kw: &str, snippet: &str) -> CompletionItem {
-    CompletionItem::new(CompletionKind::Keyword, ctx, kw)
+    CompletionItem::new(CompletionKind::Keyword, ctx.leaf_range(), kw)
         .kind(CompletionItemKind::Keyword)
         .snippet(snippet)
         .build()
diff --git a/crates/ra_ide_api/src/completion/complete_path.rs b/crates/ra_ide_api/src/completion/complete_path.rs
index 7413c71e8..513a2ee89 100644
--- a/crates/ra_ide_api/src/completion/complete_path.rs
+++ b/crates/ra_ide_api/src/completion/complete_path.rs
@@ -15,18 +15,26 @@ pub(super) fn complete_path(acc: &mut Completions, ctx: &CompletionContext) {
         hir::Def::Module(module) => {
             let module_scope = module.scope(ctx.db);
             for (name, res) in module_scope.entries() {
-                CompletionItem::new(CompletionKind::Reference, ctx, name.to_string())
-                    .from_resolution(ctx, res)
-                    .add_to(acc);
+                CompletionItem::new(
+                    CompletionKind::Reference,
+                    ctx.leaf_range(),
+                    name.to_string(),
+                )
+                .from_resolution(ctx, res)
+                .add_to(acc);
             }
         }
         hir::Def::Enum(e) => {
             e.variants(ctx.db)
                 .into_iter()
                 .for_each(|(variant_name, _variant)| {
-                    CompletionItem::new(CompletionKind::Reference, ctx, variant_name.to_string())
-                        .kind(CompletionItemKind::EnumVariant)
-                        .add_to(acc)
+                    CompletionItem::new(
+                        CompletionKind::Reference,
+                        ctx.leaf_range(),
+                        variant_name.to_string(),
+                    )
+                    .kind(CompletionItemKind::EnumVariant)
+                    .add_to(acc)
                 });
         }
         _ => return,
diff --git a/crates/ra_ide_api/src/completion/complete_scope.rs b/crates/ra_ide_api/src/completion/complete_scope.rs
index bb080a341..958a12f22 100644
--- a/crates/ra_ide_api/src/completion/complete_scope.rs
+++ b/crates/ra_ide_api/src/completion/complete_scope.rs
@@ -29,9 +29,13 @@ pub(super) fn complete_scope(acc: &mut Completions, ctx: &CompletionContext) {
             }
         })
         .for_each(|(name, res)| {
-            CompletionItem::new(CompletionKind::Reference, ctx, name.to_string())
-                .from_resolution(ctx, res)
-                .add_to(acc)
+            CompletionItem::new(
+                CompletionKind::Reference,
+                ctx.leaf_range(),
+                name.to_string(),
+            )
+            .from_resolution(ctx, res)
+            .add_to(acc)
         });
 }
 
@@ -46,9 +50,13 @@ fn complete_fn(
         .flat_map(|scope| scopes.scopes.entries(scope).iter())
         .filter(|entry| shadowed.insert(entry.name()))
         .for_each(|entry| {
-            CompletionItem::new(CompletionKind::Reference, ctx, entry.name().to_string())
-                .kind(CompletionItemKind::Binding)
-                .add_to(acc)
+            CompletionItem::new(
+                CompletionKind::Reference,
+                ctx.leaf_range(),
+                entry.name().to_string(),
+            )
+            .kind(CompletionItemKind::Binding)
+            .add_to(acc)
         });
 }
 
diff --git a/crates/ra_ide_api/src/completion/complete_snippet.rs b/crates/ra_ide_api/src/completion/complete_snippet.rs
index fb94e3674..4fa23bbf6 100644
--- a/crates/ra_ide_api/src/completion/complete_snippet.rs
+++ b/crates/ra_ide_api/src/completion/complete_snippet.rs
@@ -1,7 +1,7 @@
 use crate::completion::{CompletionItem, Completions, CompletionKind, CompletionItemKind, CompletionContext, completion_item::Builder};
 
-fn snippet<'a>(ctx: &'a CompletionContext<'a>, label: &str, snippet: &str) -> Builder<'a> {
-    CompletionItem::new(CompletionKind::Snippet, ctx, label)
+fn snippet(ctx: &CompletionContext, label: &str, snippet: &str) -> Builder {
+    CompletionItem::new(CompletionKind::Snippet, ctx.leaf_range(), label)
         .snippet(snippet)
         .kind(CompletionItemKind::Snippet)
 }
diff --git a/crates/ra_ide_api/src/completion/completion_item.rs b/crates/ra_ide_api/src/completion/completion_item.rs
index f9a266524..da8da94d1 100644
--- a/crates/ra_ide_api/src/completion/completion_item.rs
+++ b/crates/ra_ide_api/src/completion/completion_item.rs
@@ -1,10 +1,7 @@
 use hir::PerNs;
-use ra_text_edit::{
-    AtomTextEdit,
-    TextEdit,
-};
 
 use crate::completion::completion_context::CompletionContext;
+use ra_syntax::TextRange;
 
 /// `CompletionItem` describes a single completion variant in the editor pop-up.
 /// It is basically a POD with various properties. To construct a
@@ -18,26 +15,10 @@ pub struct CompletionItem {
     kind: Option<CompletionItemKind>,
     detail: Option<String>,
     lookup: Option<String>,
-    /// The format of the insert text. The format applies to both the `insert_text` property
-    /// and the `insert` property of a provided `text_edit`.
+    insert_text: Option<String>,
     insert_text_format: InsertTextFormat,
-    /// An edit which is applied to a document when selecting this completion. When an edit is
-    /// provided the value of `insert_text` is ignored.
-    ///
-    /// *Note:* The range of the edit must be a single line range and it must contain the position
-    /// at which completion has been requested.
-    ///
-    /// *Note:* If sending a range that overlaps a string, the string should match the relevant
-    /// part of the replacement text, or be filtered out.
-    text_edit: Option<AtomTextEdit>,
-    /// An optional array of additional text edits that are applied when
-    /// selecting this completion. Edits must not overlap (including the same insert position)
-    /// with the main edit nor with themselves.
-    ///
-    /// Additional text edits should be used to change text unrelated to the current cursor position
-    /// (for example adding an import statement at the top of the file if the completion item will
-    /// insert an unqualified type).
-    additional_text_edits: Option<TextEdit>,
+    replace_range: TextRange,
+    delete_range: Option<TextRange>,
 }
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
@@ -76,14 +57,14 @@ pub enum InsertTextFormat {
 }
 
 impl CompletionItem {
-    pub(crate) fn new<'a>(
+    pub(crate) fn new(
         completion_kind: CompletionKind,
-        ctx: &'a CompletionContext,
+        replace_range: TextRange,
         label: impl Into<String>,
-    ) -> Builder<'a> {
+    ) -> Builder {
         let label = label.into();
         Builder {
-            ctx,
+            replace_range,
             completion_kind,
             label,
             insert_text: None,
@@ -91,8 +72,7 @@ impl CompletionItem {
             detail: None,
             lookup: None,
             kind: None,
-            text_edit: None,
-            additional_text_edits: None,
+            delete_range: None,
         }
     }
     /// What user sees in pop-up in the UI.
@@ -114,22 +94,27 @@ impl CompletionItem {
     pub fn insert_text_format(&self) -> InsertTextFormat {
         self.insert_text_format.clone()
     }
-
+    pub fn insert_text(&self) -> String {
+        match &self.insert_text {
+            Some(t) => t.clone(),
+            None => self.label.clone(),
+        }
+    }
     pub fn kind(&self) -> Option<CompletionItemKind> {
         self.kind
     }
-    pub fn text_edit(&mut self) -> Option<&AtomTextEdit> {
-        self.text_edit.as_ref()
+    pub fn delete_range(&self) -> Option<TextRange> {
+        self.delete_range
     }
-    pub fn take_additional_text_edits(&mut self) -> Option<TextEdit> {
-        self.additional_text_edits.take()
+    pub fn replace_range(&self) -> TextRange {
+        self.replace_range
     }
 }
 
 /// A helper to make `CompletionItem`s.
 #[must_use]
-pub(crate) struct Builder<'a> {
-    ctx: &'a CompletionContext<'a>,
+pub(crate) struct Builder {
+    replace_range: TextRange,
     completion_kind: CompletionKind,
     label: String,
     insert_text: Option<String>,
@@ -137,76 +122,53 @@ pub(crate) struct Builder<'a> {
     detail: Option<String>,
     lookup: Option<String>,
     kind: Option<CompletionItemKind>,
-    text_edit: Option<AtomTextEdit>,
-    additional_text_edits: Option<TextEdit>,
+    delete_range: Option<TextRange>,
 }
 
-impl<'a> Builder<'a> {
+impl Builder {
     pub(crate) fn add_to(self, acc: &mut Completions) {
         acc.add(self.build())
     }
 
     pub(crate) fn build(self) -> CompletionItem {
-        let self_text_edit = self.text_edit;
-        let self_insert_text = self.insert_text;
-        let text_edit = match (self_text_edit, self_insert_text) {
-            (Some(text_edit), ..) => Some(text_edit),
-            (None, Some(insert_text)) => {
-                Some(AtomTextEdit::replace(self.ctx.leaf_range(), insert_text))
-            }
-            _ => None,
-        };
-
         CompletionItem {
+            replace_range: self.replace_range,
             label: self.label,
             detail: self.detail,
             insert_text_format: self.insert_text_format,
             lookup: self.lookup,
             kind: self.kind,
             completion_kind: self.completion_kind,
-            text_edit,
-            additional_text_edits: self.additional_text_edits,
+            delete_range: self.delete_range,
+            insert_text: self.insert_text,
         }
     }
-    pub(crate) fn lookup_by(mut self, lookup: impl Into<String>) -> Builder<'a> {
+    pub(crate) fn lookup_by(mut self, lookup: impl Into<String>) -> Builder {
         self.lookup = Some(lookup.into());
         self
     }
-    pub(crate) fn insert_text(mut self, insert_text: impl Into<String>) -> Builder<'a> {
+    pub(crate) fn insert_text(mut self, insert_text: impl Into<String>) -> Builder {
         self.insert_text = Some(insert_text.into());
         self
     }
     #[allow(unused)]
-    pub(crate) fn insert_text_format(
-        mut self,
-        insert_text_format: InsertTextFormat,
-    ) -> Builder<'a> {
+    pub(crate) fn insert_text_format(mut self, insert_text_format: InsertTextFormat) -> Builder {
         self.insert_text_format = insert_text_format;
         self
     }
-    pub(crate) fn snippet(mut self, snippet: impl Into<String>) -> Builder<'a> {
+    pub(crate) fn snippet(mut self, snippet: impl Into<String>) -> Builder {
         self.insert_text_format = InsertTextFormat::Snippet;
         self.insert_text(snippet)
     }
-    pub(crate) fn kind(mut self, kind: CompletionItemKind) -> Builder<'a> {
+    pub(crate) fn kind(mut self, kind: CompletionItemKind) -> Builder {
         self.kind = Some(kind);
         self
     }
     #[allow(unused)]
-    pub(crate) fn text_edit(mut self, text_edit: AtomTextEdit) -> Builder<'a> {
-        self.text_edit = Some(text_edit);
-        self
-    }
-    #[allow(unused)]
-    pub(crate) fn additional_text_edits(mut self, additional_text_edits: TextEdit) -> Builder<'a> {
-        self.additional_text_edits = Some(additional_text_edits);
-        self
-    }
-    #[allow(unused)]
-    pub(crate) fn detail(self, detail: impl Into<String>) -> Builder<'a> {
+    pub(crate) fn detail(self, detail: impl Into<String>) -> Builder {
         self.set_detail(Some(detail))
     }
-    pub(crate) fn set_detail(mut self, detail: Option<impl Into<String>>) -> Builder<'a> {
+    pub(crate) fn set_detail(mut self, detail: Option<impl Into<String>>) -> Builder {
         self.detail = detail.map(Into::into);
         self
     }
@@ -214,7 +176,7 @@ impl<'a> Builder<'a> {
         mut self,
         ctx: &CompletionContext,
         resolution: &hir::Resolution,
-    ) -> Builder<'a> {
+    ) -> Builder {
         let resolved = resolution.def_id.map(|d| d.resolve(ctx.db));
         let kind = match resolved {
             PerNs {
@@ -259,7 +221,7 @@ impl<'a> Builder<'a> {
         mut self,
         ctx: &CompletionContext,
         function: hir::Function,
-    ) -> Builder<'a> {
+    ) -> Builder {
         // If not an import, add parenthesis automatically.
         if ctx.use_item_syntax.is_none() && !ctx.is_call {
             if function.signature(ctx.db).params().is_empty() {
@@ -274,7 +236,7 @@ impl<'a> Builder<'a> {
     }
 }
 
-impl<'a> Into<CompletionItem> for Builder<'a> {
+impl<'a> Into<CompletionItem> for Builder {
     fn into(self) -> CompletionItem {
         self.build()
     }
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__bindings_from_for.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__bindings_from_for.snap
index 40a5fd90f..ff8646ab2 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__bindings_from_for.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__bindings_from_for.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.835266+00:00
+Created: 2019-01-19T16:37:23.674785+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,9 +11,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [62; 100),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -23,13 +24,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [62; 100),
-                insert: "quux()$0"
-            }
+        insert_text: Some(
+            "quux()$0"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [62; 100),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__bindings_from_if_let.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__bindings_from_if_let.snap
index f6c0d7501..2176af32d 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__bindings_from_if_let.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__bindings_from_if_let.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.835796+00:00
+Created: 2019-01-19T16:37:23.676585+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,9 +11,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [213; 231),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -23,9 +24,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [213; 231),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -35,13 +37,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [213; 231),
-                insert: "quux()$0"
-            }
+        insert_text: Some(
+            "quux()$0"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [213; 231),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__bindings_from_let.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__bindings_from_let.snap
index a6fda0cf2..49745745d 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__bindings_from_let.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__bindings_from_let.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.835351+00:00
+Created: 2019-01-19T16:37:23.676674+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,9 +11,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [78; 79),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -23,9 +24,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [78; 79),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -35,13 +37,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [78; 79),
-                insert: "quux($0)"
-            }
+        insert_text: Some(
+            "quux($0)"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [78; 79),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__completes_break_and_continue_in_loops1.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__completes_break_and_continue_in_loops1.snap
index b27674da4..c8a0a78aa 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__completes_break_and_continue_in_loops1.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__completes_break_and_continue_in_loops1.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.819543+00:00
+Created: 2019-01-19T16:37:23.630898+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [54; 56),
-                insert: "if $0 {}"
-            }
+        insert_text: Some(
+            "if $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [54; 56),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -28,14 +26,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [54; 56),
-                insert: "match $0 {}"
-            }
+        insert_text: Some(
+            "match $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [54; 56),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -45,14 +41,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [54; 56),
-                insert: "while $0 {}"
-            }
+        insert_text: Some(
+            "while $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [54; 56),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -62,14 +56,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [54; 56),
-                insert: "loop {$0}"
-            }
+        insert_text: Some(
+            "loop {$0}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [54; 56),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -79,14 +71,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [54; 56),
-                insert: "continue;"
-            }
+        insert_text: Some(
+            "continue;"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [54; 56),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -96,14 +86,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [54; 56),
-                insert: "break;"
-            }
+        insert_text: Some(
+            "break;"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [54; 56),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -113,13 +101,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [54; 56),
-                insert: "return $0;"
-            }
+        insert_text: Some(
+            "return $0;"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [54; 56),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__completes_break_and_continue_in_loops2.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__completes_break_and_continue_in_loops2.snap
index 4ebc16822..707021e21 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__completes_break_and_continue_in_loops2.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__completes_break_and_continue_in_loops2.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.830288+00:00
+Created: 2019-01-19T16:37:23.647435+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [59; 61),
-                insert: "if $0 {}"
-            }
+        insert_text: Some(
+            "if $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [59; 61),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -28,14 +26,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [59; 61),
-                insert: "match $0 {}"
-            }
+        insert_text: Some(
+            "match $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [59; 61),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -45,14 +41,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [59; 61),
-                insert: "while $0 {}"
-            }
+        insert_text: Some(
+            "while $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [59; 61),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -62,14 +56,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [59; 61),
-                insert: "loop {$0}"
-            }
+        insert_text: Some(
+            "loop {$0}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [59; 61),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -79,13 +71,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [59; 61),
-                insert: "return $0;"
-            }
+        insert_text: Some(
+            "return $0;"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [59; 61),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__deeply_nested_use_tree.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__deeply_nested_use_tree.snap
index b33bc3e04..a65ab3cc0 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__deeply_nested_use_tree.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__deeply_nested_use_tree.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T11:53:16.799862+00:00
+Created: 2019-01-19T16:37:23.649286+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,8 +11,9 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [23; 25),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_add_semi_after_return_if_not_a_statement.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_add_semi_after_return_if_not_a_statement.snap
index 0a96291ab..a935b06f4 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_add_semi_after_return_if_not_a_statement.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_add_semi_after_return_if_not_a_statement.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.821375+00:00
+Created: 2019-01-19T16:37:23.640573+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [84; 102),
-                insert: "if $0 {}"
-            }
+        insert_text: Some(
+            "if $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [84; 102),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -28,14 +26,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [84; 102),
-                insert: "match $0 {}"
-            }
+        insert_text: Some(
+            "match $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [84; 102),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -45,14 +41,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [84; 102),
-                insert: "while $0 {}"
-            }
+        insert_text: Some(
+            "while $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [84; 102),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -62,14 +56,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [84; 102),
-                insert: "loop {$0}"
-            }
+        insert_text: Some(
+            "loop {$0}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [84; 102),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -79,13 +71,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [84; 102),
-                insert: "return $0"
-            }
+        insert_text: Some(
+            "return $0"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [84; 102),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_render_function_parens_if_already_call.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_render_function_parens_if_already_call.snap
index 5126c2bdc..abc01d4d6 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_render_function_parens_if_already_call.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_render_function_parens_if_already_call.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T11:53:16.799845+00:00
+Created: 2019-01-19T16:37:23.670539+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,9 +11,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [35; 39),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -23,8 +24,9 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [35; 39),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_render_function_parens_in_use_item.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_render_function_parens_in_use_item.snap
index dd91e337a..2d3234b2c 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_render_function_parens_in_use_item.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_render_function_parens_in_use_item.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T11:53:16.799820+00:00
+Created: 2019-01-19T16:37:23.671764+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,8 +11,9 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [40; 41),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_show_both_completions_for_shadowing.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_show_both_completions_for_shadowing.snap
index 9c1c3fe6a..6e4817d1a 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_show_both_completions_for_shadowing.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__dont_show_both_completions_for_shadowing.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.841643+00:00
+Created: 2019-01-19T16:37:23.680378+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,9 +11,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [108; 146),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -23,13 +24,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [108; 146),
-                insert: "foo()$0"
-            }
+        insert_text: Some(
+            "foo()$0"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [108; 146),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__inserts_parens_for_function_calls1.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__inserts_parens_for_function_calls1.snap
index 7d693be77..4ec75e2ca 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__inserts_parens_for_function_calls1.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__inserts_parens_for_function_calls1.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.844671+00:00
+Created: 2019-01-19T16:37:23.681170+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [53; 56),
-                insert: "no_args()$0"
-            }
+        insert_text: Some(
+            "no_args()$0"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [53; 56),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -28,13 +26,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [53; 56),
-                insert: "main()$0"
-            }
+        insert_text: Some(
+            "main()$0"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [53; 56),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__inserts_parens_for_function_calls2.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__inserts_parens_for_function_calls2.snap
index 1d2946c49..11a8f1757 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__inserts_parens_for_function_calls2.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__inserts_parens_for_function_calls2.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.849139+00:00
+Created: 2019-01-19T16:37:23.686781+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [72; 77),
-                insert: "main()$0"
-            }
+        insert_text: Some(
+            "main()$0"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [72; 77),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -28,13 +26,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [72; 77),
-                insert: "with_args($0)"
-            }
+        insert_text: Some(
+            "with_args($0)"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [72; 77),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function1.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function1.snap
index 2059d63e8..02e88a96e 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function1.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function1.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.819926+00:00
+Created: 2019-01-19T16:37:23.640068+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [24; 54),
-                insert: "if $0 {}"
-            }
+        insert_text: Some(
+            "if $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [24; 54),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -28,14 +26,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [24; 54),
-                insert: "match $0 {}"
-            }
+        insert_text: Some(
+            "match $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [24; 54),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -45,14 +41,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [24; 54),
-                insert: "while $0 {}"
-            }
+        insert_text: Some(
+            "while $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [24; 54),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -62,14 +56,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [24; 54),
-                insert: "loop {$0}"
-            }
+        insert_text: Some(
+            "loop {$0}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [24; 54),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -79,13 +71,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [24; 54),
-                insert: "return;"
-            }
+        insert_text: Some(
+            "return;"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [24; 54),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function2.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function2.snap
index 2cc81582c..41dc288f6 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function2.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function2.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.819839+00:00
+Created: 2019-01-19T16:37:23.640134+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [91; 105),
-                insert: "if $0 {}"
-            }
+        insert_text: Some(
+            "if $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [91; 105),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -28,14 +26,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [91; 105),
-                insert: "match $0 {}"
-            }
+        insert_text: Some(
+            "match $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [91; 105),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -45,14 +41,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [91; 105),
-                insert: "while $0 {}"
-            }
+        insert_text: Some(
+            "while $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [91; 105),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -62,14 +56,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [91; 105),
-                insert: "loop {$0}"
-            }
+        insert_text: Some(
+            "loop {$0}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [91; 105),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -79,14 +71,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [91; 105),
-                insert: "else {$0}"
-            }
+        insert_text: Some(
+            "else {$0}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [91; 105),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -96,14 +86,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [91; 105),
-                insert: "else if $0 {}"
-            }
+        insert_text: Some(
+            "else if $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [91; 105),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -113,13 +101,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [91; 105),
-                insert: "return;"
-            }
+        insert_text: Some(
+            "return;"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [91; 105),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function3.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function3.snap
index 26dec82c7..6cbed012f 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function3.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function3.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.822255+00:00
+Created: 2019-01-19T16:37:23.640767+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [31; 65),
-                insert: "if $0 {}"
-            }
+        insert_text: Some(
+            "if $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [31; 65),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -28,14 +26,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [31; 65),
-                insert: "match $0 {}"
-            }
+        insert_text: Some(
+            "match $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [31; 65),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -45,14 +41,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [31; 65),
-                insert: "while $0 {}"
-            }
+        insert_text: Some(
+            "while $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [31; 65),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -62,14 +56,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [31; 65),
-                insert: "loop {$0}"
-            }
+        insert_text: Some(
+            "loop {$0}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [31; 65),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -79,13 +71,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [31; 65),
-                insert: "return $0;"
-            }
+        insert_text: Some(
+            "return $0;"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [31; 65),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function4.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function4.snap
index 4167165ec..b95cb72c1 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function4.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_function4.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.830680+00:00
+Created: 2019-01-19T16:37:23.664707+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [24; 58),
-                insert: "if $0 {}"
-            }
+        insert_text: Some(
+            "if $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [24; 58),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -28,14 +26,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [24; 58),
-                insert: "match $0 {}"
-            }
+        insert_text: Some(
+            "match $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [24; 58),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -45,14 +41,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [24; 58),
-                insert: "while $0 {}"
-            }
+        insert_text: Some(
+            "while $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [24; 58),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -62,14 +56,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [24; 58),
-                insert: "loop {$0}"
-            }
+        insert_text: Some(
+            "loop {$0}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [24; 58),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -79,13 +71,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [24; 58),
-                insert: "return;"
-            }
+        insert_text: Some(
+            "return;"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [24; 58),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_use_stmt1.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_use_stmt1.snap
index db137d896..d53c9e72f 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_use_stmt1.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_use_stmt1.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.819227+00:00
+Created: 2019-01-19T16:37:23.639067+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: PlainText,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [16; 30),
-                insert: "crate::"
-            }
+        insert_text: Some(
+            "crate::"
         ),
-        additional_text_edits: None
+        insert_text_format: PlainText,
+        replace_range: [16; 30),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -28,9 +26,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [16; 30),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -40,13 +39,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: PlainText,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [16; 30),
-                insert: "super::"
-            }
+        insert_text: Some(
+            "super::"
         ),
-        additional_text_edits: None
+        insert_text_format: PlainText,
+        replace_range: [16; 30),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_use_stmt2.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_use_stmt2.snap
index 1ff0f4939..fee3b6e3b 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_use_stmt2.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_use_stmt2.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.822990+00:00
+Created: 2019-01-19T16:37:23.643595+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,9 +11,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [18; 20),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -23,13 +24,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: PlainText,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [18; 20),
-                insert: "super::"
-            }
+        insert_text: Some(
+            "super::"
         ),
-        additional_text_edits: None
+        insert_text_format: PlainText,
+        replace_range: [18; 20),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_use_stmt3.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_use_stmt3.snap
index e14bd209c..2181d6c8b 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_use_stmt3.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__keywords_in_use_stmt3.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.826915+00:00
+Created: 2019-01-19T16:37:23.648502+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,9 +11,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [23; 24),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -23,13 +24,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: PlainText,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [23; 24),
-                insert: "super::"
-            }
+        insert_text: Some(
+            "super::"
         ),
-        additional_text_edits: None
+        insert_text_format: PlainText,
+        replace_range: [23; 24),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__last_return_in_block_has_semi1.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__last_return_in_block_has_semi1.snap
index a72828355..6da2c0ea9 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__last_return_in_block_has_semi1.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__last_return_in_block_has_semi1.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.821139+00:00
+Created: 2019-01-19T16:37:23.640449+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [62; 100),
-                insert: "if $0 {}"
-            }
+        insert_text: Some(
+            "if $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [62; 100),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -28,14 +26,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [62; 100),
-                insert: "match $0 {}"
-            }
+        insert_text: Some(
+            "match $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [62; 100),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -45,14 +41,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [62; 100),
-                insert: "while $0 {}"
-            }
+        insert_text: Some(
+            "while $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [62; 100),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -62,14 +56,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [62; 100),
-                insert: "loop {$0}"
-            }
+        insert_text: Some(
+            "loop {$0}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [62; 100),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -79,13 +71,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [62; 100),
-                insert: "return $0;"
-            }
+        insert_text: Some(
+            "return $0;"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [62; 100),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__last_return_in_block_has_semi2.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__last_return_in_block_has_semi2.snap
index c5d5e74cb..33bc4bb51 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__last_return_in_block_has_semi2.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__last_return_in_block_has_semi2.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.829078+00:00
+Created: 2019-01-19T16:37:23.649440+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [62; 100),
-                insert: "if $0 {}"
-            }
+        insert_text: Some(
+            "if $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [62; 100),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -28,14 +26,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [62; 100),
-                insert: "match $0 {}"
-            }
+        insert_text: Some(
+            "match $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [62; 100),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -45,14 +41,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [62; 100),
-                insert: "while $0 {}"
-            }
+        insert_text: Some(
+            "while $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [62; 100),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -62,14 +56,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [62; 100),
-                insert: "loop {$0}"
-            }
+        insert_text: Some(
+            "loop {$0}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [62; 100),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -79,13 +71,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [62; 100),
-                insert: "return $0;"
-            }
+        insert_text: Some(
+            "return $0;"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [62; 100),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__method_completion.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__method_completion.snap
index c18b44d59..9081bd50d 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__method_completion.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__method_completion.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.817204+00:00
+Created: 2019-01-19T16:37:23.629020+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,13 +11,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [143; 144),
-                insert: "the_method($0)"
-            }
+        insert_text: Some(
+            "the_method($0)"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [143; 144),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__module_items.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__module_items.snap
index 8d262a91d..be75ec0b5 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__module_items.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__module_items.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.835687+00:00
+Created: 2019-01-19T16:37:23.676740+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [72; 102),
-                insert: "quux()$0"
-            }
+        insert_text: Some(
+            "quux()$0"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [72; 102),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -28,9 +26,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [72; 102),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -40,8 +39,9 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [72; 102),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__module_items_in_nested_modules.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__module_items_in_nested_modules.snap
index 097344521..8277a6191 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__module_items_in_nested_modules.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__module_items_in_nested_modules.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.836102+00:00
+Created: 2019-01-19T16:37:23.677905+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [100; 102),
-                insert: "quux()$0"
-            }
+        insert_text: Some(
+            "quux()$0"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [100; 102),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -28,8 +26,9 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [100; 102),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__nested_use_tree.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__nested_use_tree.snap
index dbe1e0445..bb2830737 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__nested_use_tree.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__nested_use_tree.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T11:53:16.799743+00:00
+Created: 2019-01-19T16:37:23.666350+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,9 +11,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [12; 14),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -23,8 +24,9 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [12; 14),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__no_semi_after_break_continue_in_expr.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__no_semi_after_break_continue_in_expr.snap
index 26c54018e..8bcf60fa8 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__no_semi_after_break_continue_in_expr.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__no_semi_after_break_continue_in_expr.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.821881+00:00
+Created: 2019-01-19T16:37:23.640842+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [106; 108),
-                insert: "if $0 {}"
-            }
+        insert_text: Some(
+            "if $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [106; 108),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -28,14 +26,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [106; 108),
-                insert: "match $0 {}"
-            }
+        insert_text: Some(
+            "match $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [106; 108),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -45,14 +41,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [106; 108),
-                insert: "while $0 {}"
-            }
+        insert_text: Some(
+            "while $0 {}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [106; 108),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -62,14 +56,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [106; 108),
-                insert: "loop {$0}"
-            }
+        insert_text: Some(
+            "loop {$0}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [106; 108),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -79,14 +71,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [106; 108),
-                insert: "continue"
-            }
+        insert_text: Some(
+            "continue"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [106; 108),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -96,14 +86,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [106; 108),
-                insert: "break"
-            }
+        insert_text: Some(
+            "break"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [106; 108),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Keyword,
@@ -113,13 +101,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [106; 108),
-                insert: "return"
-            }
+        insert_text: Some(
+            "return"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [106; 108),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__param_completion_last_param.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__param_completion_last_param.snap
index 160da9e31..67a075129 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__param_completion_last_param.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__param_completion_last_param.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T11:27:14.070727+00:00
+Created: 2019-01-19T16:37:23.629063+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,8 +11,9 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         lookup: Some(
             "file_id"
         ),
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [98; 102),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__param_completion_nth_param.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__param_completion_nth_param.snap
index baeb01ed9..7f349ea16 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__param_completion_nth_param.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__param_completion_nth_param.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T11:29:09.355053+00:00
+Created: 2019-01-19T16:37:23.629062+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,8 +11,9 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         lookup: Some(
             "file_id"
         ),
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [98; 102),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__param_completion_trait_param.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__param_completion_trait_param.snap
index 8193c4f17..8aa07e2bc 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__param_completion_trait_param.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__param_completion_trait_param.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T11:29:09.355066+00:00
+Created: 2019-01-19T16:37:23.630980+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,8 +11,9 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         lookup: Some(
             "file_id"
         ),
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [269; 273),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__reference_completion.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__reference_completion.snap
index abd17dcec..1e69b865f 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__reference_completion.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__reference_completion.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T11:53:16.799765+00:00
+Created: 2019-01-19T16:37:23.664242+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,9 +11,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [45; 47),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -23,8 +24,9 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [45; 47),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__return_type.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__return_type.snap
index c00a5ea5d..5d2d01872 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__return_type.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__return_type.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.837692+00:00
+Created: 2019-01-19T16:37:23.678426+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,9 +11,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [46; 60),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -23,13 +24,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [46; 60),
-                insert: "x()$0"
-            }
+        insert_text: Some(
+            "x()$0"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [46; 60),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__self_in_methods.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__self_in_methods.snap
index 263b15156..61ed4d0f2 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__self_in_methods.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__self_in_methods.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T11:59:18.394156+00:00
+Created: 2019-01-19T16:37:23.679470+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,8 +11,9 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [24; 26),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__snippets_in_expressions.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__snippets_in_expressions.snap
index 82f0a6d8d..10ced4f28 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__snippets_in_expressions.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__snippets_in_expressions.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.844708+00:00
+Created: 2019-01-19T16:37:23.681192+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,14 +11,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [16; 18),
-                insert: "eprintln!(\"$0 = {:?}\", $0);"
-            }
+        insert_text: Some(
+            "eprintln!(\"$0 = {:?}\", $0);"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [16; 18),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Snippet,
@@ -28,13 +26,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [16; 18),
-                insert: "eprintln!(\"$0 = {:#?}\", $0);"
-            }
+        insert_text: Some(
+            "eprintln!(\"$0 = {:#?}\", $0);"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [16; 18),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__snippets_in_items.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__snippets_in_items.snap
index e7cc5c410..5a87ae357 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__snippets_in_items.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__snippets_in_items.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.845616+00:00
+Created: 2019-01-19T16:37:23.682017+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -13,14 +13,12 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         lookup: Some(
             "tfn"
         ),
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [49; 79),
-                insert: "#[test]\nfn ${1:feature}() {\n    $0\n}"
-            }
+        insert_text: Some(
+            "#[test]\nfn ${1:feature}() {\n    $0\n}"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [49; 79),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Snippet,
@@ -30,13 +28,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [49; 79),
-                insert: "pub(crate) $0"
-            }
+        insert_text: Some(
+            "pub(crate) $0"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [49; 79),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__struct_field_completion.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__struct_field_completion.snap
index d27ca5f8f..6208d04a4 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__struct_field_completion.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__struct_field_completion.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T11:34:11.702218+00:00
+Created: 2019-01-19T16:37:23.628928+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -13,8 +13,9 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
             "u32"
         ),
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [84; 85),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__struct_field_completion_autoderef.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__struct_field_completion_autoderef.snap
index 8e547ad37..6de8ada5a 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__struct_field_completion_autoderef.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__struct_field_completion_autoderef.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.817216+00:00
+Created: 2019-01-19T16:37:23.629043+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -13,9 +13,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
             "(u32, i32)"
         ),
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [125; 126),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -25,13 +26,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [125; 126),
-                insert: "foo($0)"
-            }
+        insert_text: Some(
+            "foo($0)"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [125; 126),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__struct_field_completion_self.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__struct_field_completion_self.snap
index 4536cee17..3e5c4fca9 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__struct_field_completion_self.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__struct_field_completion_self.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T13:42:17.817207+00:00
+Created: 2019-01-19T16:37:23.629041+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -13,9 +13,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
             "(u32,)"
         ),
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [120; 121),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -25,13 +26,11 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
-        insert_text_format: Snippet,
-        text_edit: Some(
-            AtomTextEdit {
-                delete: [120; 121),
-                insert: "foo($0)"
-            }
+        insert_text: Some(
+            "foo($0)"
         ),
-        additional_text_edits: None
+        insert_text_format: Snippet,
+        replace_range: [120; 121),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__use_item_starting_with_crate.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__use_item_starting_with_crate.snap
index 4c35be33a..bbec167d5 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__use_item_starting_with_crate.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__use_item_starting_with_crate.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T11:53:16.799683+00:00
+Created: 2019-01-19T16:37:23.667522+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,9 +11,10 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [11; 13),
+        delete_range: None
     },
     CompletionItem {
         completion_kind: Reference,
@@ -23,8 +24,9 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [11; 13),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_ide_api/src/completion/snapshots/completion_item__use_item_starting_with_self.snap b/crates/ra_ide_api/src/completion/snapshots/completion_item__use_item_starting_with_self.snap
index 9780d652a..ed571c605 100644
--- a/crates/ra_ide_api/src/completion/snapshots/completion_item__use_item_starting_with_self.snap
+++ b/crates/ra_ide_api/src/completion/snapshots/completion_item__use_item_starting_with_self.snap
@@ -1,4 +1,4 @@
-Created: 2019-01-19T11:53:16.799788+00:00
+Created: 2019-01-19T16:37:23.669476+00:00
 Creator: [email protected]
 Source: crates/ra_ide_api/src/completion/completion_item.rs
 
@@ -11,8 +11,9 @@ Source: crates/ra_ide_api/src/completion/completion_item.rs
         ),
         detail: None,
         lookup: None,
+        insert_text: None,
         insert_text_format: PlainText,
-        text_edit: None,
-        additional_text_edits: None
+        replace_range: [24; 26),
+        delete_range: None
     }
 ]
diff --git a/crates/ra_lsp_server/src/conv.rs b/crates/ra_lsp_server/src/conv.rs
index 76215a975..54a977b7a 100644
--- a/crates/ra_lsp_server/src/conv.rs
+++ b/crates/ra_lsp_server/src/conv.rs
@@ -13,6 +13,7 @@ use ra_syntax::{SyntaxKind, TextRange, TextUnit};
 use ra_text_edit::{AtomTextEdit, TextEdit};
 
 use crate::{req, server_world::ServerWorld, Result};
+use ra_text_edit::TextEditBuilder;
 
 pub trait Conv {
     type Output;
@@ -78,19 +79,24 @@ impl ConvWith for CompletionItem {
     type Ctx = LineIndex;
     type Output = ::lsp_types::CompletionItem;
 
-    fn conv_with(mut self, ctx: &LineIndex) -> ::lsp_types::CompletionItem {
-        let text_edit = self.text_edit().map(|t| t.conv_with(ctx));
-        let additonal_text_edit = self
-            .take_additional_text_edits()
-            .map(|it| it.conv_with(ctx));
+    fn conv_with(self, ctx: &LineIndex) -> ::lsp_types::CompletionItem {
+        let atom_text_edit = AtomTextEdit::replace(self.replace_range(), self.insert_text());
+        let text_edit = (&atom_text_edit).conv_with(ctx);
+        let additional_text_edits = if let Some(delete_range) = self.delete_range() {
+            let mut builder = TextEditBuilder::default();
+            builder.delete(delete_range);
+            Some(builder.finish().conv_with(ctx))
+        } else {
+            None
+        };
 
         let mut res = lsp_types::CompletionItem {
             label: self.label().to_string(),
             detail: self.detail().map(|it| it.to_string()),
             filter_text: Some(self.lookup().to_string()),
             kind: self.kind().map(|it| it.conv()),
-            text_edit,
-            additional_text_edits: additonal_text_edit,
+            text_edit: Some(text_edit),
+            additional_text_edits,
             ..Default::default()
         };
         res.insert_text_format = Some(match self.insert_text_format() {