diff options
| -rw-r--r-- | compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs | 1 | ||||
| -rw-r--r-- | tests/ui/auto-traits/str-contains-slice-conceptually.stderr | 2 |
2 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs index 1272d942b14..66d74fd05a6 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/suggestions.rs @@ -3107,6 +3107,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { self.tcx.def_span(def_id), "required because it's used within this closure", ), + ty::Str => err.note("`str` is considered to contain a `[u8]` slice for auto trait purposes"), _ => err.note(&msg), }; } diff --git a/tests/ui/auto-traits/str-contains-slice-conceptually.stderr b/tests/ui/auto-traits/str-contains-slice-conceptually.stderr index 755fc69972e..1cf16cebddd 100644 --- a/tests/ui/auto-traits/str-contains-slice-conceptually.stderr +++ b/tests/ui/auto-traits/str-contains-slice-conceptually.stderr @@ -4,7 +4,7 @@ error[E0277]: the trait bound `[u8]: AutoTrait` is not satisfied in `str` LL | needs_auto_trait::<str>(); | ^^^ within `str`, the trait `AutoTrait` is not implemented for `[u8]` | - = note: required because it appears within the type `str` + = note: `str` is considered to contain a `[u8]` slice for auto trait purposes note: required by a bound in `needs_auto_trait` --> $DIR/str-contains-slice-conceptually.rs:8:24 | |