From 54b9b03ca2e90083fd1d1fe199c5dde595423b53 Mon Sep 17 00:00:00 2001
From: Lukas Wirth <lukastw97@gmail.com>
Date: Mon, 4 Jan 2021 15:44:19 +0100
Subject: Show GotoTypeAction for TypeParam

---
 crates/hir/src/code_model.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'crates/hir/src')

diff --git a/crates/hir/src/code_model.rs b/crates/hir/src/code_model.rs
index a7a38d43a..071e553a8 100644
--- a/crates/hir/src/code_model.rs
+++ b/crates/hir/src/code_model.rs
@@ -1276,6 +1276,18 @@ impl TypeParam {
         }
     }
 
+    pub fn trait_bounds(self, db: &dyn HirDatabase) -> Vec<Trait> {
+        db.generic_predicates_for_param(self.id)
+            .into_iter()
+            .filter_map(|pred| match &pred.value {
+                hir_ty::GenericPredicate::Implemented(trait_ref) => {
+                    Some(Trait::from(trait_ref.trait_))
+                }
+                _ => None,
+            })
+            .collect()
+    }
+
     pub fn default(self, db: &dyn HirDatabase) -> Option<Type> {
         let params = db.generic_defaults(self.id.parent);
         let local_idx = hir_ty::param_idx(db, self.id)?;
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