3 files changed, 108 insertions, 14 deletions

diff --git a/crates/ide_completion/src/completions/flyimport.rs b/crates/ide_completion/src/completions/flyimport.rs
index 08df2df3f..1ad017198 100644
--- a/crates/ide_completion/src/completions/flyimport.rs
+++ b/crates/ide_completion/src/completions/flyimport.rs
@@ -1,8 +1,10 @@
 //! Feature: completion with imports-on-the-fly
 //!
 //! When completing names in the current scope, proposes additional imports from other modules or crates,
-//! if they can be qualified in the scope and their name contains all symbols from the completion input
-//! (case-insensitive, in any order or places).
+//! if they can be qualified in the scope and their name contains all symbols from the completion input.
+//!
+//! To be considered applicable, the name must contain all input symbols in the given order, not necessarily adjacent.
+//! If any input symbol is not lowercased, the name must contain all symbols in exact case; otherwise the contaning is checked case-insensitively.
 //!
 //! ```
 //! fn main() {
@@ -942,9 +944,94 @@ mod foo {
 }
 
 fn main() {
-    bar::Ass$0
+    bar::ASS$0
 }"#,
             expect![[]],
         )
     }
+
+    #[test]
+    fn unqualified_assoc_items_are_omitted() {
+        check(
+            r#"
+mod something {
+    pub trait BaseTrait {
+        fn test_function() -> i32;
+    }
+
+    pub struct Item1;
+    pub struct Item2;
+
+    impl BaseTrait for Item1 {
+        fn test_function() -> i32 {
+            1
+        }
+    }
+
+    impl BaseTrait for Item2 {
+        fn test_function() -> i32 {
+            2
+        }
+    }
+}
+
+fn main() {
+    test_f$0
+}"#,
+            expect![[]],
+        )
+    }
+
+    #[test]
+    fn case_matters() {
+        check(
+            r#"
+mod foo {
+    pub const TEST_CONST: usize = 3;
+    pub fn test_function() -> i32 {
+        4
+    }
+}
+
+fn main() {
+    TE$0
+}"#,
+            expect![[r#"
+        ct foo::TEST_CONST
+    "#]],
+        );
+
+        check(
+            r#"
+mod foo {
+    pub const TEST_CONST: usize = 3;
+    pub fn test_function() -> i32 {
+        4
+    }
+}
+
+fn main() {
+    te$0
+}"#,
+            expect![[r#"
+        ct foo::TEST_CONST
+        fn test_function() (foo::test_function) fn() -> i32
+    "#]],
+        );
+
+        check(
+            r#"
+mod foo {
+    pub const TEST_CONST: usize = 3;
+    pub fn test_function() -> i32 {
+        4
+    }
+}
+
+fn main() {
+    Te$0
+}"#,
+            expect![[]],
+        );
+    }
 }
diff --git a/crates/ide_completion/src/lib.rs b/crates/ide_completion/src/lib.rs
index 995970fca..5ac1cb48d 100644
--- a/crates/ide_completion/src/lib.rs
+++ b/crates/ide_completion/src/lib.rs
@@ -14,7 +14,10 @@ mod completions;
 use completions::flyimport::position_for_import;
 use ide_db::{
     base_db::FilePosition,
-    helpers::{import_assets::LocatedImport, insert_use::ImportScope},
+    helpers::{
+        import_assets::{LocatedImport, NameToImport},
+        insert_use::ImportScope,
+    },
     items_locator, RootDatabase,
 };
 use text_edit::TextEdit;
@@ -151,15 +154,19 @@ pub fn resolve_completion_edits(
     let current_module = ctx.sema.scope(position_for_import).module()?;
     let current_crate = current_module.krate();
 
-    let (import_path, item_to_import) =
-        items_locator::with_exact_name(&ctx.sema, current_crate, imported_name)
-            .into_iter()
-            .filter_map(|candidate| {
-                current_module
-                    .find_use_path_prefixed(db, candidate, config.insert_use.prefix_kind)
-                    .zip(Some(candidate))
-            })
-            .find(|(mod_path, _)| mod_path.to_string() == full_import_path)?;
+    let (import_path, item_to_import) = items_locator::items_with_name(
+        &ctx.sema,
+        current_crate,
+        NameToImport::Exact(imported_name),
+        items_locator::AssocItemSearch::Include,
+        Some(items_locator::DEFAULT_QUERY_SEARCH_LIMIT),
+    )
+    .filter_map(|candidate| {
+        current_module
+            .find_use_path_prefixed(db, candidate, config.insert_use.prefix_kind)
+            .zip(Some(candidate))
+    })
+    .find(|(mod_path, _)| mod_path.to_string() == full_import_path)?;
     let import =
         LocatedImport::new(import_path.clone(), item_to_import, item_to_import, Some(import_path));
 
diff --git a/crates/ide_completion/src/patterns.rs b/crates/ide_completion/src/patterns.rs
index cf5ef07b7..d82564381 100644
--- a/crates/ide_completion/src/patterns.rs
+++ b/crates/ide_completion/src/patterns.rs
@@ -71,7 +71,7 @@ fn test_has_block_expr_parent() {
 }
 
 pub(crate) fn has_bind_pat_parent(element: SyntaxElement) -> bool {
-    element.ancestors().find(|it| it.kind() == IDENT_PAT).is_some()
+    element.ancestors().any(|it| it.kind() == IDENT_PAT)
 }
 #[test]
 fn test_has_bind_pat_parent() {