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-rw-r--r--src/tools/rust-analyzer/crates/hir/src/lib.rs5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/tools/rust-analyzer/crates/hir/src/lib.rs b/src/tools/rust-analyzer/crates/hir/src/lib.rs
index 8c3b7a6d3cf..00a46daa54e 100644
--- a/src/tools/rust-analyzer/crates/hir/src/lib.rs
+++ b/src/tools/rust-analyzer/crates/hir/src/lib.rs
@@ -2704,6 +2704,11 @@ impl Trait {
         db.trait_data(self.id).name.clone()
     }
 
+    pub fn all_supertraits(self, db: &dyn HirDatabase) -> Vec<Trait> {
+        let traits = all_super_traits(db.upcast(), self.into());
+        traits.iter().map(|tr| Trait::from(*tr)).collect()
+    }
+
     pub fn items(self, db: &dyn HirDatabase) -> Vec<AssocItem> {
         db.trait_data(self.id).items.iter().map(|(_name, it)| (*it).into()).collect()
     }