1 files changed, 15 insertions, 9 deletions

diff --git a/crates/ra_hir/src/source_binder.rs b/crates/ra_hir/src/source_binder.rs
index 4353e25ac..439a4d5db 100644
--- a/crates/ra_hir/src/source_binder.rs
+++ b/crates/ra_hir/src/source_binder.rs
@@ -101,15 +101,7 @@ impl SourceBinder {
     }
 
     fn child_by_source(&mut self, db: &impl HirDatabase, container: ChildContainer) -> &DynMap {
-        self.child_by_source_cache.entry(container).or_insert_with(|| match container {
-            ChildContainer::DefWithBodyId(it) => it.child_by_source(db),
-            ChildContainer::ModuleId(it) => it.child_by_source(db),
-            ChildContainer::TraitId(it) => it.child_by_source(db),
-            ChildContainer::ImplId(it) => it.child_by_source(db),
-            ChildContainer::EnumId(it) => it.child_by_source(db),
-            ChildContainer::VariantId(it) => it.child_by_source(db),
-            ChildContainer::GenericDefId(it) => it.child_by_source(db),
-        })
+        self.child_by_source_cache.entry(container).or_insert_with(|| container.child_by_source(db))
     }
 }
 
@@ -145,6 +137,20 @@ impl_froms! {
     GenericDefId
 }
 
+impl ChildContainer {
+    fn child_by_source(self, db: &impl HirDatabase) -> DynMap {
+        match self {
+            ChildContainer::DefWithBodyId(it) => it.child_by_source(db),
+            ChildContainer::ModuleId(it) => it.child_by_source(db),
+            ChildContainer::TraitId(it) => it.child_by_source(db),
+            ChildContainer::ImplId(it) => it.child_by_source(db),
+            ChildContainer::EnumId(it) => it.child_by_source(db),
+            ChildContainer::VariantId(it) => it.child_by_source(db),
+            ChildContainer::GenericDefId(it) => it.child_by_source(db),
+        }
+    }
+}
+
 pub(crate) trait ToIdByKey: Sized + AstNode + 'static {
     type ID: Sized + Copy + 'static;
     const KEY: Key<Self, Self::ID>;