diff options
Diffstat (limited to 'compiler/rustc_trait_selection/src/infer.rs')
| -rw-r--r-- | compiler/rustc_trait_selection/src/infer.rs | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/compiler/rustc_trait_selection/src/infer.rs b/compiler/rustc_trait_selection/src/infer.rs index f373706b296..5cf0600ade8 100644 --- a/compiler/rustc_trait_selection/src/infer.rs +++ b/compiler/rustc_trait_selection/src/infer.rs @@ -53,6 +53,16 @@ impl<'tcx> InferCtxt<'tcx> { traits::type_known_to_meet_bound_modulo_regions(self, param_env, ty, clone_def_id) } + fn type_is_use_cloned_modulo_regions( + &self, + param_env: ty::ParamEnv<'tcx>, + ty: Ty<'tcx>, + ) -> bool { + let ty = self.resolve_vars_if_possible(ty); + let use_cloned_def_id = self.tcx.require_lang_item(LangItem::UseCloned, None); + traits::type_known_to_meet_bound_modulo_regions(self, param_env, ty, use_cloned_def_id) + } + fn type_is_sized_modulo_regions(&self, param_env: ty::ParamEnv<'tcx>, ty: Ty<'tcx>) -> bool { let lang_item = self.tcx.require_lang_item(LangItem::Sized, None); traits::type_known_to_meet_bound_modulo_regions(self, param_env, ty, lang_item) |