3 files changed, 69 insertions, 0 deletions

diff --git a/crates/ide/src/hover.rs b/crates/ide/src/hover.rs
index 5f9edb476..28e2e17dc 100644
--- a/crates/ide/src/hover.rs
+++ b/crates/ide/src/hover.rs
@@ -3834,4 +3834,67 @@ fn foo() {}
             "#]],
         );
     }
+
+    #[test]
+    fn hover_generic_assoc() {
+        check(
+            r#"
+fn foo<T: A>() where T::Assoc$0: {}
+
+trait A {
+    type Assoc;
+}"#,
+            expect![[r#"
+                *Assoc*
+
+                ```rust
+                test
+                ```
+
+                ```rust
+                type Assoc
+                ```
+            "#]],
+        );
+        check(
+            r#"
+fn foo<T: A>() {
+    let _: <T>::Assoc$0;
+}
+
+trait A {
+    type Assoc;
+}"#,
+            expect![[r#"
+                *Assoc*
+
+                ```rust
+                test
+                ```
+
+                ```rust
+                type Assoc
+                ```
+            "#]],
+        );
+        check(
+            r#"
+trait A where
+    Self::Assoc$0: ,
+{
+    type Assoc;
+}"#,
+            expect![[r#"
+                *Assoc*
+
+                ```rust
+                test
+                ```
+
+                ```rust
+                type Assoc
+                ```
+            "#]],
+        );
+    }
 }
diff --git a/crates/ide/src/syntax_highlighting.rs b/crates/ide/src/syntax_highlighting.rs
index 67a10766b..9df8d21af 100644
--- a/crates/ide/src/syntax_highlighting.rs
+++ b/crates/ide/src/syntax_highlighting.rs
@@ -48,6 +48,9 @@ pub struct HlRange {
 //
 // The general rule is that a reference to an entity gets colored the same way as the entity itself.
 // We also give special modifier for `mut` and `&mut` local variables.
+//
+// image::https://user-images.githubusercontent.com/48062697/113164457-06cfb980-9239-11eb-819b-0f93e646acf8.png[]
+// image::https://user-images.githubusercontent.com/48062697/113187625-f7f50100-9250-11eb-825e-91c58f236071.png[]
 pub(crate) fn highlight(
     db: &RootDatabase,
     file_id: FileId,
diff --git a/crates/ide/src/typing.rs b/crates/ide/src/typing.rs
index e10b7d98e..11408d445 100644
--- a/crates/ide/src/typing.rs
+++ b/crates/ide/src/typing.rs
@@ -49,6 +49,9 @@ pub(crate) const TRIGGER_CHARS: &str = ".=>";
 // ----
 // "editor.formatOnType": true,
 // ----
+//
+// image::https://user-images.githubusercontent.com/48062697/113166163-69758500-923a-11eb-81ee-eb33ec380399.gif[]
+// image::https://user-images.githubusercontent.com/48062697/113171066-105c2000-923f-11eb-87ab-f4a263346567.gif[]
 pub(crate) fn on_char_typed(
     db: &RootDatabase,
     position: FilePosition,