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Remove dead TypeFoldable::visit_tys_shallow method

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LeSeulArtichaut
2020-11-15 14:45:41 +01:00
parent 07b37cf791
commit f6e6a15f07
1 changed files with 0 additions and 14 deletions
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14
compiler/rustc_middle/src/ty/fold.rs
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@@ -142,20 +142,6 @@ pub trait TypeFoldable<'tcx>: fmt::Debug + Clone {
fn still_further_specializable(&self) -> bool { fn still_further_specializable(&self) -> bool {
self.has_type_flags(TypeFlags::STILL_FURTHER_SPECIALIZABLE) self.has_type_flags(TypeFlags::STILL_FURTHER_SPECIALIZABLE)
} }
/// A visitor that does not recurse into types, works like `fn walk_shallow` in `Ty`.
fn visit_tys_shallow(&self, visit: impl FnMut(Ty<'tcx>) -> ControlFlow<()>) -> ControlFlow<()> {
pub struct Visitor<F>(F);
impl<'tcx, F: FnMut(Ty<'tcx>) -> ControlFlow<()>> TypeVisitor<'tcx> for Visitor<F> {
type BreakTy = ();
fn visit_ty(&mut self, ty: Ty<'tcx>) -> ControlFlow<()> {
self.0(ty)
}
}
self.visit_with(&mut Visitor(visit))
}
} }
impl TypeFoldable<'tcx> for hir::Constness { impl TypeFoldable<'tcx> for hir::Constness {