Built-in implementation of Tuple trait

2022-07-30 01:33:51 +00:00
parent 6b2eab2310
commit d0e4c679ff
8 changed files with 72 additions and 8 deletions
--- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs
+++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs
@@ -126,6 +126,8 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
                let data = self.confirm_const_destruct_candidate(obligation, def_id)?;
                ImplSource::ConstDestruct(data)
            }
+
+            TupleCandidate => ImplSource::Tuple,
        };

        if !obligation.predicate.is_const_if_const() {