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use impl Trait argument instead of generic param for simplicity

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This commit is contained in:
Oli Scherer 2024-02-09 20:25:18 +00:00
parent 7f871ab9aa
commit 97b4b7f72b
1 changed files with 5 additions and 4 deletions
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9
compiler/rustc_hir_analysis/src/coherence/builtin.rs
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@ -53,10 +53,11 @@ struct Checker<'tcx> {
}
impl<'tcx> Checker<'tcx> {
fn check<F>(&self, trait_def_id: Option<DefId>, f: F) -> Result<(), ErrorGuaranteed>
where
F: FnOnce(TyCtxt<'tcx>, LocalDefId) -> Result<(), ErrorGuaranteed>,
{
fn check(
&self,
trait_def_id: Option<DefId>,
f: impl FnOnce(TyCtxt<'tcx>, LocalDefId) -> Result<(), ErrorGuaranteed>,
) -> Result<(), ErrorGuaranteed> {
if Some(self.trait_def_id) == trait_def_id { f(self.tcx, self.impl_def_id) } else { Ok(()) }
}
}