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-rw-r--r--crates/ra_hir/src/source_binder.rs2
-rw-r--r--crates/ra_hir_def/src/body.rs7
-rw-r--r--crates/ra_hir_def/src/nameres.rs29
-rw-r--r--crates/ra_hir_def/src/nameres/collector.rs4
-rw-r--r--crates/ra_hir_def/src/nameres/path_resolution.rs55
-rw-r--r--crates/ra_hir_def/src/resolver.rs38
-rw-r--r--crates/ra_hir_ty/src/tests.rs36
7 files changed, 139 insertions, 32 deletions
diff --git a/crates/ra_hir/src/source_binder.rs b/crates/ra_hir/src/source_binder.rs
index 1661d92a2..0df7a7cb4 100644
--- a/crates/ra_hir/src/source_binder.rs
+++ b/crates/ra_hir/src/source_binder.rs
@@ -286,7 +286,7 @@ impl SourceAnalyzer {
286 286
287 let items = self 287 let items = self
288 .resolver 288 .resolver
289 .resolve_module_path(db, &path) 289 .resolve_module_path_in_items(db, &path)
290 .take_types() 290 .take_types()
291 .map(|it| PathResolution::Def(it.into())); 291 .map(|it| PathResolution::Def(it.into()));
292 types.or(values).or(items).or_else(|| { 292 types.or(values).or(items).or_else(|| {
diff --git a/crates/ra_hir_def/src/body.rs b/crates/ra_hir_def/src/body.rs
index 69508dd8a..239f35229 100644
--- a/crates/ra_hir_def/src/body.rs
+++ b/crates/ra_hir_def/src/body.rs
@@ -15,7 +15,7 @@ use rustc_hash::FxHashMap;
15use crate::{ 15use crate::{
16 db::DefDatabase, 16 db::DefDatabase,
17 expr::{Expr, ExprId, Pat, PatId}, 17 expr::{Expr, ExprId, Pat, PatId},
18 nameres::CrateDefMap, 18 nameres::{BuiltinShadowMode, CrateDefMap},
19 path::Path, 19 path::Path,
20 src::HasSource, 20 src::HasSource,
21 DefWithBodyId, HasModule, Lookup, ModuleId, 21 DefWithBodyId, HasModule, Lookup, ModuleId,
@@ -83,7 +83,10 @@ impl Expander {
83 } 83 }
84 84
85 fn resolve_path_as_macro(&self, db: &impl DefDatabase, path: &Path) -> Option<MacroDefId> { 85 fn resolve_path_as_macro(&self, db: &impl DefDatabase, path: &Path) -> Option<MacroDefId> {
86 self.crate_def_map.resolve_path(db, self.module.local_id, path).0.take_macros() 86 self.crate_def_map
87 .resolve_path(db, self.module.local_id, path, BuiltinShadowMode::Other)
88 .0
89 .take_macros()
87 } 90 }
88} 91}
89 92
diff --git a/crates/ra_hir_def/src/nameres.rs b/crates/ra_hir_def/src/nameres.rs
index df42ea84a..3e1521870 100644
--- a/crates/ra_hir_def/src/nameres.rs
+++ b/crates/ra_hir_def/src/nameres.rs
@@ -149,6 +149,15 @@ static BUILTIN_SCOPE: Lazy<FxHashMap<Name, Resolution>> = Lazy::new(|| {
149 .collect() 149 .collect()
150}); 150});
151 151
152/// Shadow mode for builtin type which can be shadowed by module.
153#[derive(Debug, Copy, Clone, PartialEq, Eq)]
154pub enum BuiltinShadowMode {
155 // Prefer Module
156 Module,
157 // Prefer Other Types
158 Other,
159}
160
152/// Legacy macros can only be accessed through special methods like `get_legacy_macros`. 161/// Legacy macros can only be accessed through special methods like `get_legacy_macros`.
153/// Other methods will only resolve values, types and module scoped macros only. 162/// Other methods will only resolve values, types and module scoped macros only.
154impl ModuleScope { 163impl ModuleScope {
@@ -178,8 +187,20 @@ impl ModuleScope {
178 } 187 }
179 188
180 /// Get a name from current module scope, legacy macros are not included 189 /// Get a name from current module scope, legacy macros are not included
181 pub fn get(&self, name: &Name) -> Option<&Resolution> { 190 pub fn get(&self, name: &Name, shadow: BuiltinShadowMode) -> Option<&Resolution> {
182 self.items.get(name).or_else(|| BUILTIN_SCOPE.get(name)) 191 match shadow {
192 BuiltinShadowMode::Module => self.items.get(name).or_else(|| BUILTIN_SCOPE.get(name)),
193 BuiltinShadowMode::Other => {
194 let item = self.items.get(name);
195 if let Some(res) = item {
196 if let Some(ModuleDefId::ModuleId(_)) = res.def.take_types() {
197 return BUILTIN_SCOPE.get(name).or(item);
198 }
199 }
200
201 item.or_else(|| BUILTIN_SCOPE.get(name))
202 }
203 }
183 } 204 }
184 205
185 pub fn traits<'a>(&'a self) -> impl Iterator<Item = TraitId> + 'a { 206 pub fn traits<'a>(&'a self) -> impl Iterator<Item = TraitId> + 'a {
@@ -250,8 +271,10 @@ impl CrateDefMap {
250 db: &impl DefDatabase, 271 db: &impl DefDatabase,
251 original_module: LocalModuleId, 272 original_module: LocalModuleId,
252 path: &Path, 273 path: &Path,
274 shadow: BuiltinShadowMode,
253 ) -> (PerNs, Option<usize>) { 275 ) -> (PerNs, Option<usize>) {
254 let res = self.resolve_path_fp_with_macro(db, ResolveMode::Other, original_module, path); 276 let res =
277 self.resolve_path_fp_with_macro(db, ResolveMode::Other, original_module, path, shadow);
255 (res.resolved_def, res.segment_index) 278 (res.resolved_def, res.segment_index)
256 } 279 }
257} 280}
diff --git a/crates/ra_hir_def/src/nameres/collector.rs b/crates/ra_hir_def/src/nameres/collector.rs
index fd8245113..d4bfcae1d 100644
--- a/crates/ra_hir_def/src/nameres/collector.rs
+++ b/crates/ra_hir_def/src/nameres/collector.rs
@@ -19,7 +19,7 @@ use crate::{
19 db::DefDatabase, 19 db::DefDatabase,
20 nameres::{ 20 nameres::{
21 diagnostics::DefDiagnostic, mod_resolution::ModDir, path_resolution::ReachedFixedPoint, 21 diagnostics::DefDiagnostic, mod_resolution::ModDir, path_resolution::ReachedFixedPoint,
22 raw, CrateDefMap, ModuleData, Resolution, ResolveMode, 22 raw, BuiltinShadowMode, CrateDefMap, ModuleData, Resolution, ResolveMode,
23 }, 23 },
24 path::{Path, PathKind}, 24 path::{Path, PathKind},
25 per_ns::PerNs, 25 per_ns::PerNs,
@@ -299,6 +299,7 @@ where
299 ResolveMode::Import, 299 ResolveMode::Import,
300 module_id, 300 module_id,
301 &import.path, 301 &import.path,
302 BuiltinShadowMode::Module,
302 ); 303 );
303 304
304 (res.resolved_def, res.reached_fixedpoint) 305 (res.resolved_def, res.reached_fixedpoint)
@@ -477,6 +478,7 @@ where
477 ResolveMode::Other, 478 ResolveMode::Other,
478 *module_id, 479 *module_id,
479 path, 480 path,
481 BuiltinShadowMode::Module,
480 ); 482 );
481 483
482 if let Some(def) = resolved_res.resolved_def.take_macros() { 484 if let Some(def) = resolved_res.resolved_def.take_macros() {
diff --git a/crates/ra_hir_def/src/nameres/path_resolution.rs b/crates/ra_hir_def/src/nameres/path_resolution.rs
index b72c55bd1..42a75226b 100644
--- a/crates/ra_hir_def/src/nameres/path_resolution.rs
+++ b/crates/ra_hir_def/src/nameres/path_resolution.rs
@@ -16,7 +16,7 @@ use test_utils::tested_by;
16 16
17use crate::{ 17use crate::{
18 db::DefDatabase, 18 db::DefDatabase,
19 nameres::CrateDefMap, 19 nameres::{BuiltinShadowMode, CrateDefMap},
20 path::{Path, PathKind}, 20 path::{Path, PathKind},
21 per_ns::PerNs, 21 per_ns::PerNs,
22 AdtId, EnumVariantId, LocalModuleId, ModuleDefId, ModuleId, 22 AdtId, EnumVariantId, LocalModuleId, ModuleDefId, ModuleId,
@@ -68,7 +68,17 @@ impl CrateDefMap {
68 mode: ResolveMode, 68 mode: ResolveMode,
69 original_module: LocalModuleId, 69 original_module: LocalModuleId,
70 path: &Path, 70 path: &Path,
71 shadow: BuiltinShadowMode,
71 ) -> ResolvePathResult { 72 ) -> ResolvePathResult {
73 // if it is not the last segment, we prefer the module to the builtin
74 let prefer_module = |index| {
75 if index == path.segments.len() - 1 {
76 shadow
77 } else {
78 BuiltinShadowMode::Module
79 }
80 };
81
72 let mut segments = path.segments.iter().enumerate(); 82 let mut segments = path.segments.iter().enumerate();
73 let mut curr_per_ns: PerNs = match path.kind { 83 let mut curr_per_ns: PerNs = match path.kind {
74 PathKind::DollarCrate(krate) => { 84 PathKind::DollarCrate(krate) => {
@@ -96,20 +106,20 @@ impl CrateDefMap {
96 if self.edition == Edition::Edition2015 106 if self.edition == Edition::Edition2015
97 && (path.kind == PathKind::Abs || mode == ResolveMode::Import) => 107 && (path.kind == PathKind::Abs || mode == ResolveMode::Import) =>
98 { 108 {
99 let segment = match segments.next() { 109 let (idx, segment) = match segments.next() {
100 Some((_, segment)) => segment, 110 Some((idx, segment)) => (idx, segment),
101 None => return ResolvePathResult::empty(ReachedFixedPoint::Yes), 111 None => return ResolvePathResult::empty(ReachedFixedPoint::Yes),
102 }; 112 };
103 log::debug!("resolving {:?} in crate root (+ extern prelude)", segment); 113 log::debug!("resolving {:?} in crate root (+ extern prelude)", segment);
104 self.resolve_name_in_crate_root_or_extern_prelude(&segment.name) 114 self.resolve_name_in_crate_root_or_extern_prelude(&segment.name, prefer_module(idx))
105 } 115 }
106 PathKind::Plain => { 116 PathKind::Plain => {
107 let segment = match segments.next() { 117 let (idx, segment) = match segments.next() {
108 Some((_, segment)) => segment, 118 Some((idx, segment)) => (idx, segment),
109 None => return ResolvePathResult::empty(ReachedFixedPoint::Yes), 119 None => return ResolvePathResult::empty(ReachedFixedPoint::Yes),
110 }; 120 };
111 log::debug!("resolving {:?} in module", segment); 121 log::debug!("resolving {:?} in module", segment);
112 self.resolve_name_in_module(db, original_module, &segment.name) 122 self.resolve_name_in_module(db, original_module, &segment.name, prefer_module(idx))
113 } 123 }
114 PathKind::Super => { 124 PathKind::Super => {
115 if let Some(p) = self.modules[original_module].parent { 125 if let Some(p) = self.modules[original_module].parent {
@@ -160,7 +170,7 @@ impl CrateDefMap {
160 Path { segments: path.segments[i..].to_vec(), kind: PathKind::Self_ }; 170 Path { segments: path.segments[i..].to_vec(), kind: PathKind::Self_ };
161 log::debug!("resolving {:?} in other crate", path); 171 log::debug!("resolving {:?} in other crate", path);
162 let defp_map = db.crate_def_map(module.krate); 172 let defp_map = db.crate_def_map(module.krate);
163 let (def, s) = defp_map.resolve_path(db, module.local_id, &path); 173 let (def, s) = defp_map.resolve_path(db, module.local_id, &path, shadow);
164 return ResolvePathResult::with( 174 return ResolvePathResult::with(
165 def, 175 def,
166 ReachedFixedPoint::Yes, 176 ReachedFixedPoint::Yes,
@@ -169,7 +179,7 @@ impl CrateDefMap {
169 } 179 }
170 180
171 // Since it is a qualified path here, it should not contains legacy macros 181 // Since it is a qualified path here, it should not contains legacy macros
172 match self[module.local_id].scope.get(&segment.name) { 182 match self[module.local_id].scope.get(&segment.name, prefer_module(i)) {
173 Some(res) => res.def, 183 Some(res) => res.def,
174 _ => { 184 _ => {
175 log::debug!("path segment {:?} not found", segment.name); 185 log::debug!("path segment {:?} not found", segment.name);
@@ -212,6 +222,7 @@ impl CrateDefMap {
212 } 222 }
213 }; 223 };
214 } 224 }
225
215 ResolvePathResult::with(curr_per_ns, ReachedFixedPoint::Yes, None) 226 ResolvePathResult::with(curr_per_ns, ReachedFixedPoint::Yes, None)
216 } 227 }
217 228
@@ -220,6 +231,7 @@ impl CrateDefMap {
220 db: &impl DefDatabase, 231 db: &impl DefDatabase,
221 module: LocalModuleId, 232 module: LocalModuleId,
222 name: &Name, 233 name: &Name,
234 shadow: BuiltinShadowMode,
223 ) -> PerNs { 235 ) -> PerNs {
224 // Resolve in: 236 // Resolve in:
225 // - legacy scope of macro 237 // - legacy scope of macro
@@ -228,23 +240,33 @@ impl CrateDefMap {
228 // - std prelude 240 // - std prelude
229 let from_legacy_macro = 241 let from_legacy_macro =
230 self[module].scope.get_legacy_macro(name).map_or_else(PerNs::none, PerNs::macros); 242 self[module].scope.get_legacy_macro(name).map_or_else(PerNs::none, PerNs::macros);
231 let from_scope = self[module].scope.get(name).map_or_else(PerNs::none, |res| res.def); 243 let from_scope =
244 self[module].scope.get(name, shadow).map_or_else(PerNs::none, |res| res.def);
232 let from_extern_prelude = 245 let from_extern_prelude =
233 self.extern_prelude.get(name).map_or(PerNs::none(), |&it| PerNs::types(it)); 246 self.extern_prelude.get(name).map_or(PerNs::none(), |&it| PerNs::types(it));
234 let from_prelude = self.resolve_in_prelude(db, name); 247 let from_prelude = self.resolve_in_prelude(db, name, shadow);
235 248
236 from_legacy_macro.or(from_scope).or(from_extern_prelude).or(from_prelude) 249 from_legacy_macro.or(from_scope).or(from_extern_prelude).or(from_prelude)
237 } 250 }
238 251
239 fn resolve_name_in_crate_root_or_extern_prelude(&self, name: &Name) -> PerNs { 252 fn resolve_name_in_crate_root_or_extern_prelude(
253 &self,
254 name: &Name,
255 shadow: BuiltinShadowMode,
256 ) -> PerNs {
240 let from_crate_root = 257 let from_crate_root =
241 self[self.root].scope.get(name).map_or_else(PerNs::none, |res| res.def); 258 self[self.root].scope.get(name, shadow).map_or_else(PerNs::none, |res| res.def);
242 let from_extern_prelude = self.resolve_name_in_extern_prelude(name); 259 let from_extern_prelude = self.resolve_name_in_extern_prelude(name);
243 260
244 from_crate_root.or(from_extern_prelude) 261 from_crate_root.or(from_extern_prelude)
245 } 262 }
246 263
247 fn resolve_in_prelude(&self, db: &impl DefDatabase, name: &Name) -> PerNs { 264 fn resolve_in_prelude(
265 &self,
266 db: &impl DefDatabase,
267 name: &Name,
268 shadow: BuiltinShadowMode,
269 ) -> PerNs {
248 if let Some(prelude) = self.prelude { 270 if let Some(prelude) = self.prelude {
249 let keep; 271 let keep;
250 let def_map = if prelude.krate == self.krate { 272 let def_map = if prelude.krate == self.krate {
@@ -254,7 +276,10 @@ impl CrateDefMap {
254 keep = db.crate_def_map(prelude.krate); 276 keep = db.crate_def_map(prelude.krate);
255 &keep 277 &keep
256 }; 278 };
257 def_map[prelude.local_id].scope.get(name).map_or_else(PerNs::none, |res| res.def) 279 def_map[prelude.local_id]
280 .scope
281 .get(name, shadow)
282 .map_or_else(PerNs::none, |res| res.def)
258 } else { 283 } else {
259 PerNs::none() 284 PerNs::none()
260 } 285 }
diff --git a/crates/ra_hir_def/src/resolver.rs b/crates/ra_hir_def/src/resolver.rs
index 0847f6dcf..7d4df222e 100644
--- a/crates/ra_hir_def/src/resolver.rs
+++ b/crates/ra_hir_def/src/resolver.rs
@@ -14,7 +14,7 @@ use crate::{
14 db::DefDatabase, 14 db::DefDatabase,
15 expr::{ExprId, PatId}, 15 expr::{ExprId, PatId},
16 generics::GenericParams, 16 generics::GenericParams,
17 nameres::CrateDefMap, 17 nameres::{BuiltinShadowMode, CrateDefMap},
18 path::{Path, PathKind}, 18 path::{Path, PathKind},
19 per_ns::PerNs, 19 per_ns::PerNs,
20 AdtId, AstItemDef, ConstId, ContainerId, DefWithBodyId, EnumId, EnumVariantId, FunctionId, 20 AdtId, AstItemDef, ConstId, ContainerId, DefWithBodyId, EnumId, EnumVariantId, FunctionId,
@@ -91,7 +91,7 @@ pub enum ValueNs {
91impl Resolver { 91impl Resolver {
92 /// Resolve known trait from std, like `std::futures::Future` 92 /// Resolve known trait from std, like `std::futures::Future`
93 pub fn resolve_known_trait(&self, db: &impl DefDatabase, path: &Path) -> Option<TraitId> { 93 pub fn resolve_known_trait(&self, db: &impl DefDatabase, path: &Path) -> Option<TraitId> {
94 let res = self.resolve_module_path(db, path).take_types()?; 94 let res = self.resolve_module_path(db, path, BuiltinShadowMode::Other).take_types()?;
95 match res { 95 match res {
96 ModuleDefId::TraitId(it) => Some(it), 96 ModuleDefId::TraitId(it) => Some(it),
97 _ => None, 97 _ => None,
@@ -100,7 +100,7 @@ impl Resolver {
100 100
101 /// Resolve known struct from std, like `std::boxed::Box` 101 /// Resolve known struct from std, like `std::boxed::Box`
102 pub fn resolve_known_struct(&self, db: &impl DefDatabase, path: &Path) -> Option<StructId> { 102 pub fn resolve_known_struct(&self, db: &impl DefDatabase, path: &Path) -> Option<StructId> {
103 let res = self.resolve_module_path(db, path).take_types()?; 103 let res = self.resolve_module_path(db, path, BuiltinShadowMode::Other).take_types()?;
104 match res { 104 match res {
105 ModuleDefId::AdtId(AdtId::StructId(it)) => Some(it), 105 ModuleDefId::AdtId(AdtId::StructId(it)) => Some(it),
106 _ => None, 106 _ => None,
@@ -109,26 +109,34 @@ impl Resolver {
109 109
110 /// Resolve known enum from std, like `std::result::Result` 110 /// Resolve known enum from std, like `std::result::Result`
111 pub fn resolve_known_enum(&self, db: &impl DefDatabase, path: &Path) -> Option<EnumId> { 111 pub fn resolve_known_enum(&self, db: &impl DefDatabase, path: &Path) -> Option<EnumId> {
112 let res = self.resolve_module_path(db, path).take_types()?; 112 let res = self.resolve_module_path(db, path, BuiltinShadowMode::Other).take_types()?;
113 match res { 113 match res {
114 ModuleDefId::AdtId(AdtId::EnumId(it)) => Some(it), 114 ModuleDefId::AdtId(AdtId::EnumId(it)) => Some(it),
115 _ => None, 115 _ => None,
116 } 116 }
117 } 117 }
118 118
119 /// pub only for source-binder 119 fn resolve_module_path(
120 pub fn resolve_module_path(&self, db: &impl DefDatabase, path: &Path) -> PerNs { 120 &self,
121 db: &impl DefDatabase,
122 path: &Path,
123 shadow: BuiltinShadowMode,
124 ) -> PerNs {
121 let (item_map, module) = match self.module() { 125 let (item_map, module) = match self.module() {
122 Some(it) => it, 126 Some(it) => it,
123 None => return PerNs::none(), 127 None => return PerNs::none(),
124 }; 128 };
125 let (module_res, segment_index) = item_map.resolve_path(db, module, path); 129 let (module_res, segment_index) = item_map.resolve_path(db, module, path, shadow);
126 if segment_index.is_some() { 130 if segment_index.is_some() {
127 return PerNs::none(); 131 return PerNs::none();
128 } 132 }
129 module_res 133 module_res
130 } 134 }
131 135
136 pub fn resolve_module_path_in_items(&self, db: &impl DefDatabase, path: &Path) -> PerNs {
137 self.resolve_module_path(db, path, BuiltinShadowMode::Module)
138 }
139
132 pub fn resolve_path_in_type_ns( 140 pub fn resolve_path_in_type_ns(
133 &self, 141 &self,
134 db: &impl DefDatabase, 142 db: &impl DefDatabase,
@@ -163,7 +171,12 @@ impl Resolver {
163 } 171 }
164 } 172 }
165 Scope::ModuleScope(m) => { 173 Scope::ModuleScope(m) => {
166 let (module_def, idx) = m.crate_def_map.resolve_path(db, m.module_id, path); 174 let (module_def, idx) = m.crate_def_map.resolve_path(
175 db,
176 m.module_id,
177 path,
178 BuiltinShadowMode::Other,
179 );
167 let res = match module_def.take_types()? { 180 let res = match module_def.take_types()? {
168 ModuleDefId::AdtId(it) => TypeNs::AdtId(it), 181 ModuleDefId::AdtId(it) => TypeNs::AdtId(it),
169 ModuleDefId::EnumVariantId(it) => TypeNs::EnumVariantId(it), 182 ModuleDefId::EnumVariantId(it) => TypeNs::EnumVariantId(it),
@@ -256,7 +269,12 @@ impl Resolver {
256 Scope::ImplBlockScope(_) | Scope::AdtScope(_) => continue, 269 Scope::ImplBlockScope(_) | Scope::AdtScope(_) => continue,
257 270
258 Scope::ModuleScope(m) => { 271 Scope::ModuleScope(m) => {
259 let (module_def, idx) = m.crate_def_map.resolve_path(db, m.module_id, path); 272 let (module_def, idx) = m.crate_def_map.resolve_path(
273 db,
274 m.module_id,
275 path,
276 BuiltinShadowMode::Other,
277 );
260 return match idx { 278 return match idx {
261 None => { 279 None => {
262 let value = match module_def.take_values()? { 280 let value = match module_def.take_values()? {
@@ -310,7 +328,7 @@ impl Resolver {
310 328
311 pub fn resolve_path_as_macro(&self, db: &impl DefDatabase, path: &Path) -> Option<MacroDefId> { 329 pub fn resolve_path_as_macro(&self, db: &impl DefDatabase, path: &Path) -> Option<MacroDefId> {
312 let (item_map, module) = self.module()?; 330 let (item_map, module) = self.module()?;
313 item_map.resolve_path(db, module, path).0.take_macros() 331 item_map.resolve_path(db, module, path, BuiltinShadowMode::Other).0.take_macros()
314 } 332 }
315 333
316 pub fn process_all_names(&self, db: &impl DefDatabase, f: &mut dyn FnMut(Name, ScopeDef)) { 334 pub fn process_all_names(&self, db: &impl DefDatabase, f: &mut dyn FnMut(Name, ScopeDef)) {
diff --git a/crates/ra_hir_ty/src/tests.rs b/crates/ra_hir_ty/src/tests.rs
index c856d6afd..a3cc5cf95 100644
--- a/crates/ra_hir_ty/src/tests.rs
+++ b/crates/ra_hir_ty/src/tests.rs
@@ -3694,6 +3694,42 @@ fn main() {
3694} 3694}
3695 3695
3696#[test] 3696#[test]
3697fn not_shadowing_primitive_by_module() {
3698 let t = type_at(
3699 r#"
3700//- /str.rs
3701fn foo() {}
3702
3703//- /main.rs
3704mod str;
3705fn foo() -> &'static str { "" }
3706
3707fn main() {
3708 foo()<|>;
3709}"#,
3710 );
3711 assert_eq!(t, "&str");
3712}
3713
3714#[test]
3715fn not_shadowing_module_by_primitive() {
3716 let t = type_at(
3717 r#"
3718//- /str.rs
3719fn foo() -> u32 {0}
3720
3721//- /main.rs
3722mod str;
3723fn foo() -> &'static str { "" }
3724
3725fn main() {
3726 str::foo()<|>;
3727}"#,
3728 );
3729 assert_eq!(t, "u32");
3730}
3731
3732#[test]
3697fn deref_trait() { 3733fn deref_trait() {
3698 let t = type_at( 3734 let t = type_at(
3699 r#" 3735 r#"