Move enum&union to new loc

crates/ra_hir/src/has_source.rs

@@ -4,7 +4,7 @@ use either::Either;
 use hir_def::{
     nameres::ModuleSource,
     src::{HasChildSource, HasSource as _},
-    AstItemDef, Lookup, VariantId,
+    Lookup, VariantId,
 };
 use ra_syntax::ast;
 
@@ -57,13 +57,13 @@ impl HasSource for Struct {
 impl HasSource for Union {
     type Ast = ast::UnionDef;
     fn source(self, db: &impl DefDatabase) -> InFile<ast::UnionDef> {
-        self.id.source(db)
+        self.id.lookup(db).source(db)
     }
 }
 impl HasSource for Enum {
     type Ast = ast::EnumDef;
     fn source(self, db: &impl DefDatabase) -> InFile<ast::EnumDef> {
-        self.id.source(db)
+        self.id.lookup(db).source(db)
     }
 }
 impl HasSource for EnumVariant {