bjoernager/rust
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Implement TypeVisitable and TypeFoldable for Spanned

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The traits are already implemented for Span, so it makes sense to also
have them for Spanned (upcoming commits will make use of this).
This commit is contained in:
Martin Nordholts 2024-01-12 08:22:05 +01:00
parent 1ead4761e9
commit 924ea05103
1 changed files with 25 additions and 0 deletions
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25
compiler/rustc_middle/src/ty/structural_impls.rs
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@ -9,6 +9,7 @@ use crate::ty::print::{with_no_trimmed_paths, FmtPrinter, Printer};
use crate::ty::visit::{TypeSuperVisitable, TypeVisitable, TypeVisitor};
use crate::ty::{self, AliasTy, InferConst, Lift, Term, TermKind, Ty, TyCtxt};
use rustc_hir::def::Namespace;
use rustc_span::source_map::Spanned;
use rustc_target::abi::TyAndLayout;
use rustc_type_ir::{ConstKind, DebugWithInfcx, InferCtxtLike, WithInfcx};
@ -819,3 +820,27 @@ impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for TyAndLayout<'tcx, Ty<'tcx>> {
visitor.visit_ty(self.ty)
}
}
impl<'tcx, T: TypeVisitable<TyCtxt<'tcx>> + Debug + Clone> TypeVisitable<TyCtxt<'tcx>>
for Spanned<T>
{
fn visit_with<V: TypeVisitor<TyCtxt<'tcx>>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> {
self.node.visit_with(visitor)?;
self.span.visit_with(visitor)?;
ControlFlow::Continue(())
}
}
impl<'tcx, T: TypeFoldable<TyCtxt<'tcx>> + Debug + Clone> TypeFoldable<TyCtxt<'tcx>>
for Spanned<T>
{
fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>(
self,
folder: &mut F,
) -> Result<Self, F::Error> {
Ok(Spanned {
node: self.node.try_fold_with(folder)?,
span: self.span.try_fold_with(folder)?,
})
}
}