Correctly fill default type parameters

2020-05-13 16:06:42 +03:00
parent 88d3959c33
commit 00f3b6c59a
6 changed files with 80 additions and 1 deletions
--- a/crates/ra_hir/src/code_model.rs
+++ b/crates/ra_hir/src/code_model.rs
@@ -989,6 +989,11 @@ impl TypeParam {
            ty: InEnvironment { value: ty, environment },
        }
    }
+
+    pub fn default(self, db: &dyn HirDatabase) -> Option<TypeRef> {
+        let params = db.generic_params(self.id.parent);
+        params.types[self.id.local_id].default.clone()
+    }
 }

 // FIXME: rename from `ImplDef` to `Impl`