diff options
| -rw-r--r-- | compiler/rustc_hir_analysis/src/coherence/builtin.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_hir_analysis/src/coherence/builtin.rs b/compiler/rustc_hir_analysis/src/coherence/builtin.rs index 30f6bd56375..fe1a9f2eebd 100644 --- a/compiler/rustc_hir_analysis/src/coherence/builtin.rs +++ b/compiler/rustc_hir_analysis/src/coherence/builtin.rs @@ -53,9 +53,9 @@ struct Checker<'tcx> { } impl<'tcx> Checker<'tcx> { - fn check<F>(&self, trait_def_id: Option<DefId>, mut f: F) -> Result<(), ErrorGuaranteed> + fn check<F>(&self, trait_def_id: Option<DefId>, f: F) -> Result<(), ErrorGuaranteed> where - F: FnMut(TyCtxt<'tcx>, LocalDefId) -> Result<(), ErrorGuaranteed>, + F: FnOnce(TyCtxt<'tcx>, LocalDefId) -> Result<(), ErrorGuaranteed>, { if Some(self.trait_def_id) == trait_def_id { f(self.tcx, self.impl_def_id) } else { Ok(()) } } |