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Update compiler/rustc_middle/src/ty/fold.rs

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Co-authored-by: lcnr <rust@lcnr.de>
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eggyal 2021-12-01 12:48:49 +00:00 committed by Alan Egerton
parent bfc434b6d0
commit d79e17daf0
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1 changed files with 2 additions and 0 deletions
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compiler/rustc_middle/src/ty/fold.rs
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@ -62,10 +62,12 @@ pub trait TypeFoldable<'tcx>: fmt::Debug + Clone {
fn fold_with<F: TypeFolder<'tcx, Error = !>>(self, folder: &mut F) -> Self { fn fold_with<F: TypeFolder<'tcx, Error = !>>(self, folder: &mut F) -> Self {
self.try_fold_with(folder).into_ok() self.try_fold_with(folder).into_ok()
} }
fn try_super_fold_with<F: TypeFolderFallible<'tcx>>( fn try_super_fold_with<F: TypeFolderFallible<'tcx>>(
self, self,
folder: &mut F, folder: &mut F,
) -> Result<Self, F::Error>; ) -> Result<Self, F::Error>;
fn try_fold_with<F: TypeFolderFallible<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> { fn try_fold_with<F: TypeFolderFallible<'tcx>>(self, folder: &mut F) -> Result<Self, F::Error> {
self.try_super_fold_with(folder) self.try_super_fold_with(folder)
} }