Implement FusedIterator for gen block

2024-03-22 00:48:36 +09:00
parent 03994e498d
commit ae4c5c891e
10 changed files with 105 additions and 7 deletions
--- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs
+++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs
@@ -267,6 +267,8 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
                self.copy_clone_conditions(obligation)
            } else if Some(trait_def) == lang_items.clone_trait() {
                self.copy_clone_conditions(obligation)
+            } else if Some(trait_def) == lang_items.fused_iterator_trait() {
+                self.fused_iterator_conditions(obligation)
            } else {
                bug!("unexpected builtin trait {:?}", trait_def)
            };