8 files changed, 26 insertions, 26 deletions

diff --git a/crates/ide_completion/src/completions/dot.rs b/crates/ide_completion/src/completions/dot.rs
index 8ad57a069..9552875c1 100644
--- a/crates/ide_completion/src/completions/dot.rs
+++ b/crates/ide_completion/src/completions/dot.rs
@@ -13,7 +13,7 @@ pub(crate) fn complete_dot(acc: &mut Completions, ctx: &CompletionContext) {
         _ => return complete_undotted_self(acc, ctx),
     };
 
-    let receiver_ty = match ctx.sema.type_of_expr(&dot_receiver) {
+    let receiver_ty = match ctx.sema.type_of_expr(dot_receiver) {
         Some(ty) => ty,
         _ => return,
     };
diff --git a/crates/ide_completion/src/completions/postfix.rs b/crates/ide_completion/src/completions/postfix.rs
index 86eb21714..9f98b21be 100644
--- a/crates/ide_completion/src/completions/postfix.rs
+++ b/crates/ide_completion/src/completions/postfix.rs
@@ -34,7 +34,7 @@ pub(crate) fn complete_postfix(acc: &mut Completions, ctx: &CompletionContext) {
 
     let receiver_text = get_receiver_text(dot_receiver, receiver_is_ambiguous_float_literal);
 
-    let receiver_ty = match ctx.sema.type_of_expr(&dot_receiver) {
+    let receiver_ty = match ctx.sema.type_of_expr(dot_receiver) {
         Some(it) => it,
         None => return,
     };
@@ -50,7 +50,7 @@ pub(crate) fn complete_postfix(acc: &mut Completions, ctx: &CompletionContext) {
                 postfix_snippet(
                     ctx,
                     cap,
-                    &dot_receiver,
+                    dot_receiver,
                     "ifl",
                     "if let Ok {}",
                     &format!("if let Ok($1) = {} {{\n    $0\n}}", receiver_text),
@@ -60,7 +60,7 @@ pub(crate) fn complete_postfix(acc: &mut Completions, ctx: &CompletionContext) {
                 postfix_snippet(
                     ctx,
                     cap,
-                    &dot_receiver,
+                    dot_receiver,
                     "while",
                     "while let Ok {}",
                     &format!("while let Ok($1) = {} {{\n    $0\n}}", receiver_text),
@@ -71,7 +71,7 @@ pub(crate) fn complete_postfix(acc: &mut Completions, ctx: &CompletionContext) {
                 postfix_snippet(
                     ctx,
                     cap,
-                    &dot_receiver,
+                    dot_receiver,
                     "ifl",
                     "if let Some {}",
                     &format!("if let Some($1) = {} {{\n    $0\n}}", receiver_text),
@@ -81,7 +81,7 @@ pub(crate) fn complete_postfix(acc: &mut Completions, ctx: &CompletionContext) {
                 postfix_snippet(
                     ctx,
                     cap,
-                    &dot_receiver,
+                    dot_receiver,
                     "while",
                     "while let Some {}",
                     &format!("while let Some($1) = {} {{\n    $0\n}}", receiver_text),
@@ -93,7 +93,7 @@ pub(crate) fn complete_postfix(acc: &mut Completions, ctx: &CompletionContext) {
         postfix_snippet(
             ctx,
             cap,
-            &dot_receiver,
+            dot_receiver,
             "if",
             "if expr {}",
             &format!("if {} {{\n    $0\n}}", receiver_text),
@@ -102,22 +102,22 @@ pub(crate) fn complete_postfix(acc: &mut Completions, ctx: &CompletionContext) {
         postfix_snippet(
             ctx,
             cap,
-            &dot_receiver,
+            dot_receiver,
             "while",
             "while expr {}",
             &format!("while {} {{\n    $0\n}}", receiver_text),
         )
         .add_to(acc);
-        postfix_snippet(ctx, cap, &dot_receiver, "not", "!expr", &format!("!{}", receiver_text))
+        postfix_snippet(ctx, cap, dot_receiver, "not", "!expr", &format!("!{}", receiver_text))
             .add_to(acc);
     }
 
-    postfix_snippet(ctx, cap, &dot_receiver, "ref", "&expr", &format!("&{}", receiver_text))
+    postfix_snippet(ctx, cap, dot_receiver, "ref", "&expr", &format!("&{}", receiver_text))
         .add_to(acc);
     postfix_snippet(
         ctx,
         cap,
-        &dot_receiver,
+        dot_receiver,
         "refm",
         "&mut expr",
         &format!("&mut {}", receiver_text),
diff --git a/crates/ide_completion/src/completions/postfix/format_like.rs b/crates/ide_completion/src/completions/postfix/format_like.rs
index 9ebe1dcc0..2dc13c293 100644
--- a/crates/ide_completion/src/completions/postfix/format_like.rs
+++ b/crates/ide_completion/src/completions/postfix/format_like.rs
@@ -53,7 +53,7 @@ pub(crate) fn add_format_like_completions(
         for (label, macro_name) in KINDS {
             let snippet = parser.into_suggestion(macro_name);
 
-            postfix_snippet(ctx, cap, &dot_receiver, label, macro_name, &snippet).add_to(acc);
+            postfix_snippet(ctx, cap, dot_receiver, label, macro_name, &snippet).add_to(acc);
         }
     }
 }
@@ -91,7 +91,7 @@ enum State {
 impl FormatStrParser {
     pub(crate) fn new(input: String) -> Self {
         Self {
-            input: input,
+            input,
             output: String::new(),
             extracted_expressions: Vec::new(),
             state: State::NotExpr,
diff --git a/crates/ide_completion/src/completions/qualified_path.rs b/crates/ide_completion/src/completions/qualified_path.rs
index 58d4dd9ee..6083537b7 100644
--- a/crates/ide_completion/src/completions/qualified_path.rs
+++ b/crates/ide_completion/src/completions/qualified_path.rs
@@ -15,7 +15,7 @@ pub(crate) fn complete_qualified_path(acc: &mut Completions, ctx: &CompletionCon
         None => return,
     };
 
-    let resolution = match ctx.sema.resolve_path(&path) {
+    let resolution = match ctx.sema.resolve_path(path) {
         Some(res) => res,
         None => return,
     };
diff --git a/crates/ide_completion/src/context.rs b/crates/ide_completion/src/context.rs
index 2c2a4aa6b..4c3929a26 100644
--- a/crates/ide_completion/src/context.rs
+++ b/crates/ide_completion/src/context.rs
@@ -380,7 +380,7 @@ impl<'a> CompletionContext<'a> {
                         (|| {
                             let expr_field = self.token.prev_sibling_or_token()?
                                       .into_node()
-                                      .and_then(|node| ast::RecordExprField::cast(node))?;
+                                      .and_then(ast::RecordExprField::cast)?;
                             let (_, _, ty) = self.sema.resolve_record_field(&expr_field)?;
                             Some((
                                 Some(ty),
@@ -467,7 +467,7 @@ impl<'a> CompletionContext<'a> {
         self.expected_type = expected_type;
         self.expected_name = expected_name;
 
-        let name_like = match find_node_at_offset(&&file_with_fake_ident, offset) {
+        let name_like = match find_node_at_offset(&file_with_fake_ident, offset) {
             Some(it) => it,
             None => return,
         };
diff --git a/crates/ide_completion/src/patterns.rs b/crates/ide_completion/src/patterns.rs
index 81d7a1a1d..72e67e3c4 100644
--- a/crates/ide_completion/src/patterns.rs
+++ b/crates/ide_completion/src/patterns.rs
@@ -115,12 +115,12 @@ pub(crate) fn determine_location(
 ) -> Option<ImmediateLocation> {
     let node = match name_like {
         ast::NameLike::NameRef(name_ref) => {
-            if ast::RecordExprField::for_field_name(&name_ref).is_some() {
+            if ast::RecordExprField::for_field_name(name_ref).is_some() {
                 return sema
                     .find_node_at_offset_with_macros(original_file, offset)
                     .map(ImmediateLocation::RecordExpr);
             }
-            if ast::RecordPatField::for_field_name_ref(&name_ref).is_some() {
+            if ast::RecordPatField::for_field_name_ref(name_ref).is_some() {
                 return sema
                     .find_node_at_offset_with_macros(original_file, offset)
                     .map(ImmediateLocation::RecordPat);
@@ -128,7 +128,7 @@ pub(crate) fn determine_location(
             maximize_name_ref(name_ref)
         }
         ast::NameLike::Name(name) => {
-            if ast::RecordPatField::for_field_name(&name).is_some() {
+            if ast::RecordPatField::for_field_name(name).is_some() {
                 return sema
                     .find_node_at_offset_with_macros(original_file, offset)
                     .map(ImmediateLocation::RecordPat);
@@ -259,7 +259,7 @@ fn test_inside_impl_trait_block() {
 }
 
 pub(crate) fn previous_token(element: SyntaxElement) -> Option<SyntaxToken> {
-    element.into_token().and_then(|it| previous_non_trivia_token(it))
+    element.into_token().and_then(previous_non_trivia_token)
 }
 
 /// Check if the token previous to the previous one is `for`.
@@ -267,8 +267,8 @@ pub(crate) fn previous_token(element: SyntaxElement) -> Option<SyntaxToken> {
 pub(crate) fn for_is_prev2(element: SyntaxElement) -> bool {
     element
         .into_token()
-        .and_then(|it| previous_non_trivia_token(it))
-        .and_then(|it| previous_non_trivia_token(it))
+        .and_then(previous_non_trivia_token)
+        .and_then(previous_non_trivia_token)
         .filter(|it| it.kind() == T![for])
         .is_some()
 }
diff --git a/crates/ide_completion/src/render.rs b/crates/ide_completion/src/render.rs
index d3db55c35..a55081631 100644
--- a/crates/ide_completion/src/render.rs
+++ b/crates/ide_completion/src/render.rs
@@ -86,7 +86,7 @@ impl<'a> RenderContext<'a> {
     }
 
     fn db(&self) -> &'a RootDatabase {
-        &self.completion.db
+        self.completion.db
     }
 
     fn source_range(&self) -> TextRange {
diff --git a/crates/ide_completion/src/render/pattern.rs b/crates/ide_completion/src/render/pattern.rs
index b4e80f424..3717a0409 100644
--- a/crates/ide_completion/src/render/pattern.rs
+++ b/crates/ide_completion/src/render/pattern.rs
@@ -75,10 +75,10 @@ fn render_pat(
 ) -> Option<String> {
     let mut pat = match kind {
         StructKind::Tuple if ctx.snippet_cap().is_some() => {
-            render_tuple_as_pat(&fields, &name, fields_omitted)
+            render_tuple_as_pat(fields, name, fields_omitted)
         }
         StructKind::Record => {
-            render_record_as_pat(ctx.db(), ctx.snippet_cap(), &fields, &name, fields_omitted)
+            render_record_as_pat(ctx.db(), ctx.snippet_cap(), fields, name, fields_omitted)
         }
         _ => return None,
     };
@@ -86,7 +86,7 @@ fn render_pat(
     if ctx.completion.is_param {
         pat.push(':');
         pat.push(' ');
-        pat.push_str(&name);
+        pat.push_str(name);
     }
     if ctx.snippet_cap().is_some() {
         pat.push_str("$0");