12 files changed, 61 insertions, 53 deletions

diff --git a/crates/ra_assists/src/handlers/raw_string.rs b/crates/ra_assists/src/handlers/raw_string.rs
index ba1dcb610..4e8a0c2db 100644
--- a/crates/ra_assists/src/handlers/raw_string.rs
+++ b/crates/ra_assists/src/handlers/raw_string.rs
@@ -131,7 +131,7 @@ pub(crate) fn remove_hash(acc: &mut Assists, ctx: &AssistContext) -> Option<()>
     let token = ctx.find_token_at_offset(RAW_STRING).and_then(ast::RawString::cast)?;
 
     let text = token.text().as_str();
-    if !text.starts_with("r#") && text.ends_with("#") {
+    if !text.starts_with("r#") && text.ends_with('#') {
         return None;
     }
 
diff --git a/crates/ra_assists/src/handlers/replace_qualified_name_with_use.rs b/crates/ra_assists/src/handlers/replace_qualified_name_with_use.rs
index dfd314abf..3d51faa54 100644
--- a/crates/ra_assists/src/handlers/replace_qualified_name_with_use.rs
+++ b/crates/ra_assists/src/handlers/replace_qualified_name_with_use.rs
@@ -106,7 +106,7 @@ fn maybe_replace_path(
     path: ast::Path,
     target: ast::Path,
 ) -> Option<()> {
-    if !path_eq(path.clone(), target.clone()) {
+    if !path_eq(path.clone(), target) {
         return None;
     }
 
diff --git a/crates/ra_hir_def/src/nameres.rs b/crates/ra_hir_def/src/nameres.rs
index b279bdeef..5a9de3d3e 100644
--- a/crates/ra_hir_def/src/nameres.rs
+++ b/crates/ra_hir_def/src/nameres.rs
@@ -229,12 +229,11 @@ impl CrateDefMap {
     // even), as this should be a great debugging aid.
     pub fn dump(&self) -> String {
         let mut buf = String::new();
-        go(&mut buf, self, "\ncrate", self.root);
-        return buf.trim().to_string();
+        go(&mut buf, self, "crate", self.root);
+        return buf;
 
         fn go(buf: &mut String, map: &CrateDefMap, path: &str, module: LocalModuleId) {
-            *buf += path;
-            *buf += "\n";
+            format_to!(buf, "{}\n", path);
 
             let mut entries: Vec<_> = map.modules[module].scope.resolutions().collect();
             entries.sort_by_key(|(name, _)| name.clone());
@@ -243,23 +242,24 @@ impl CrateDefMap {
                 format_to!(buf, "{}:", name);
 
                 if def.types.is_some() {
-                    *buf += " t";
+                    buf.push_str(" t");
                 }
                 if def.values.is_some() {
-                    *buf += " v";
+                    buf.push_str(" v");
                 }
                 if def.macros.is_some() {
-                    *buf += " m";
+                    buf.push_str(" m");
                 }
                 if def.is_none() {
-                    *buf += " _";
+                    buf.push_str(" _");
                 }
 
-                *buf += "\n";
+                buf.push_str("\n");
             }
 
             for (name, child) in map.modules[module].children.iter() {
-                let path = &format!("{}::{}", path, name);
+                let path = format!("{}::{}", path, name);
+                buf.push('\n');
                 go(buf, map, &path, *child);
             }
         }
diff --git a/crates/ra_hir_def/src/nameres/tests.rs b/crates/ra_hir_def/src/nameres/tests.rs
index 02dca80c2..205d3528b 100644
--- a/crates/ra_hir_def/src/nameres/tests.rs
+++ b/crates/ra_hir_def/src/nameres/tests.rs
@@ -21,7 +21,7 @@ fn compute_crate_def_map(fixture: &str) -> Arc<CrateDefMap> {
 fn check(ra_fixture: &str, expect: Expect) {
     let db = TestDB::with_files(ra_fixture);
     let krate = db.crate_graph().iter().next().unwrap();
-    let actual = db.crate_def_map(krate).dump() + "\n";
+    let actual = db.crate_def_map(krate).dump();
     expect.assert_eq(&actual);
 }
 
diff --git a/crates/ra_hir_ty/src/lower.rs b/crates/ra_hir_ty/src/lower.rs
index f274579ea..1eacc6f95 100644
--- a/crates/ra_hir_ty/src/lower.rs
+++ b/crates/ra_hir_ty/src/lower.rs
@@ -341,7 +341,7 @@ impl Ty {
                     let segment = remaining_segments.first().unwrap();
                     let found = associated_type_by_name_including_super_traits(
                         ctx.db,
-                        trait_ref.clone(),
+                        trait_ref,
                         &segment.name,
                     );
                     match found {
diff --git a/crates/ra_ide/src/completion.rs b/crates/ra_ide/src/completion.rs
index f3a5e9573..68ac05e4c 100644
--- a/crates/ra_ide/src/completion.rs
+++ b/crates/ra_ide/src/completion.rs
@@ -63,7 +63,7 @@ pub use crate::completion::{
 // There also snippet completions:
 //
 // .Expressions
-// - `pd` -> `eprintln!(" = {:?}", );")`
+// - `pd` -> `eprintln!(" = {:?}", );`
 // - `ppd` -> `eprintln!(" = {:#?}", );`
 //
 // .Items
diff --git a/crates/ra_ide/src/completion/completion_context.rs b/crates/ra_ide/src/completion/completion_context.rs
index 9e82d6854..c84d43d77 100644
--- a/crates/ra_ide/src/completion/completion_context.rs
+++ b/crates/ra_ide/src/completion/completion_context.rs
@@ -215,7 +215,7 @@ impl<'a> CompletionContext<'a> {
 
     fn fill_keyword_patterns(&mut self, file_with_fake_ident: &SyntaxNode, offset: TextSize) {
         let fake_ident_token = file_with_fake_ident.token_at_offset(offset).right_biased().unwrap();
-        let syntax_element = NodeOrToken::Token(fake_ident_token.clone());
+        let syntax_element = NodeOrToken::Token(fake_ident_token);
         self.block_expr_parent = has_block_expr_parent(syntax_element.clone());
         self.unsafe_is_prev = unsafe_is_prev(syntax_element.clone());
         self.if_is_prev = if_is_prev(syntax_element.clone());
@@ -228,7 +228,7 @@ impl<'a> CompletionContext<'a> {
         self.trait_as_prev_sibling = has_trait_as_prev_sibling(syntax_element.clone());
         self.is_match_arm = is_match_arm(syntax_element.clone());
         self.has_item_list_or_source_file_parent =
-            has_item_list_or_source_file_parent(syntax_element.clone());
+            has_item_list_or_source_file_parent(syntax_element);
     }
 
     fn fill(
diff --git a/crates/ra_ide/src/diagnostics.rs b/crates/ra_ide/src/diagnostics.rs
index fe75f4b2c..e029af0dc 100644
--- a/crates/ra_ide/src/diagnostics.rs
+++ b/crates/ra_ide/src/diagnostics.rs
@@ -183,7 +183,7 @@ fn missing_struct_field_fix(
     }
     new_field = format!("\n{}{}", indent, new_field);
 
-    let needs_comma = !last_field_syntax.to_string().ends_with(",");
+    let needs_comma = !last_field_syntax.to_string().ends_with(',');
     if needs_comma {
         new_field = format!(",{}", new_field);
     }
diff --git a/crates/ra_ide/src/inlay_hints.rs b/crates/ra_ide/src/inlay_hints.rs
index 43a5e29b5..09883ab4d 100644
--- a/crates/ra_ide/src/inlay_hints.rs
+++ b/crates/ra_ide/src/inlay_hints.rs
@@ -171,7 +171,7 @@ fn get_param_name_hints(
         .map(|(param_name, arg)| InlayHint {
             range: arg.syntax().text_range(),
             kind: InlayKind::ParameterHint,
-            label: param_name.to_string().into(),
+            label: param_name.into(),
         });
 
     acc.extend(hints);
diff --git a/crates/ra_project_model/src/project_json.rs b/crates/ra_project_model/src/project_json.rs
index b96227949..778cc84ef 100644
--- a/crates/ra_project_model/src/project_json.rs
+++ b/crates/ra_project_model/src/project_json.rs
@@ -34,6 +34,7 @@ pub struct Crate {
     pub(crate) target: Option<String>,
     pub(crate) out_dir: Option<AbsPathBuf>,
     pub(crate) proc_macro_dylib_path: Option<AbsPathBuf>,
+    pub(crate) is_workspace_member: bool,
 }
 
 impl ProjectJson {
@@ -43,32 +44,42 @@ impl ProjectJson {
             crates: data
                 .crates
                 .into_iter()
-                .map(|crate_data| Crate {
-                    root_module: base.join(crate_data.root_module),
-                    edition: crate_data.edition.into(),
-                    deps: crate_data
-                        .deps
-                        .into_iter()
-                        .map(|dep_data| Dependency {
-                            crate_id: CrateId(dep_data.krate as u32),
-                            name: dep_data.name,
-                        })
-                        .collect::<Vec<_>>(),
-                    cfg: {
-                        let mut cfg = CfgOptions::default();
-                        for entry in &crate_data.cfg {
-                            match split_delim(entry, '=') {
-                                Some((key, value)) => {
-                                    cfg.insert_key_value(key.into(), value.into());
+                .map(|crate_data| {
+                    let is_workspace_member = crate_data.is_workspace_member.unwrap_or_else(|| {
+                        crate_data.root_module.is_relative()
+                            && !crate_data.root_module.starts_with("..")
+                            || crate_data.root_module.starts_with(base)
+                    });
+                    Crate {
+                        root_module: base.join(crate_data.root_module),
+                        edition: crate_data.edition.into(),
+                        deps: crate_data
+                            .deps
+                            .into_iter()
+                            .map(|dep_data| Dependency {
+                                crate_id: CrateId(dep_data.krate as u32),
+                                name: dep_data.name,
+                            })
+                            .collect::<Vec<_>>(),
+                        cfg: {
+                            let mut cfg = CfgOptions::default();
+                            for entry in &crate_data.cfg {
+                                match split_delim(entry, '=') {
+                                    Some((key, value)) => {
+                                        cfg.insert_key_value(key.into(), value.into());
+                                    }
+                                    None => cfg.insert_atom(entry.into()),
                                 }
-                                None => cfg.insert_atom(entry.into()),
                             }
-                        }
-                        cfg
-                    },
-                    target: crate_data.target,
-                    out_dir: crate_data.out_dir.map(|it| base.join(it)),
-                    proc_macro_dylib_path: crate_data.proc_macro_dylib_path.map(|it| base.join(it)),
+                            cfg
+                        },
+                        target: crate_data.target,
+                        out_dir: crate_data.out_dir.map(|it| base.join(it)),
+                        proc_macro_dylib_path: crate_data
+                            .proc_macro_dylib_path
+                            .map(|it| base.join(it)),
+                        is_workspace_member,
+                    }
                 })
                 .collect::<Vec<_>>(),
         }
@@ -91,6 +102,7 @@ struct CrateData {
     target: Option<String>,
     out_dir: Option<PathBuf>,
     proc_macro_dylib_path: Option<PathBuf>,
+    is_workspace_member: Option<bool>,
 }
 
 #[derive(Deserialize)]
diff --git a/crates/rust-analyzer/src/reload.rs b/crates/rust-analyzer/src/reload.rs
index 3f4dbdd8c..d7ae00b07 100644
--- a/crates/rust-analyzer/src/reload.rs
+++ b/crates/rust-analyzer/src/reload.rs
@@ -242,7 +242,7 @@ impl GlobalState {
             })
             .map(move |cargo| {
                 let cargo_project_root = cargo.workspace_root().to_path_buf();
-                FlycheckHandle::spawn(sender, config.clone(), cargo_project_root.into())
+                FlycheckHandle::spawn(sender, config, cargo_project_root.into())
             })
     }
 }
diff --git a/crates/vfs/src/loader.rs b/crates/vfs/src/loader.rs
index 9c6e4b6a7..04e257f53 100644
--- a/crates/vfs/src/loader.rs
+++ b/crates/vfs/src/loader.rs
@@ -83,11 +83,11 @@ impl Directories {
         self.includes_path(path)
     }
     fn includes_path(&self, path: &AbsPath) -> bool {
-        let mut include = None;
+        let mut include: Option<&AbsPathBuf> = None;
         for incl in &self.include {
-            if is_prefix(incl, path) {
+            if path.starts_with(incl) {
                 include = Some(match include {
-                    Some(prev) if is_prefix(incl, prev) => prev,
+                    Some(prev) if prev.starts_with(incl) => prev,
                     _ => incl,
                 })
             }
@@ -97,15 +97,11 @@ impl Directories {
             None => return false,
         };
         for excl in &self.exclude {
-            if is_prefix(excl, path) && is_prefix(include, excl) {
+            if path.starts_with(excl) && excl.starts_with(include) {
                 return false;
             }
         }
-        return true;
-
-        fn is_prefix(short: &AbsPath, long: &AbsPath) -> bool {
-            long.strip_prefix(short).is_some()
-        }
+        true
     }
 }