Struct rustc_middle::ty::print::pretty::RegionFolder
source · [−]struct RegionFolder<'a, 'tcx> {
tcx: TyCtxt<'tcx>,
current_index: DebruijnIndex,
region_map: BTreeMap<BoundRegion, Region<'tcx>>,
name: &'a mut (dyn FnMut(BoundRegion) -> Region<'tcx> + 'a),
}Expand description
Folds through bound vars and placeholders, naming them
Fields
tcx: TyCtxt<'tcx>current_index: DebruijnIndexregion_map: BTreeMap<BoundRegion, Region<'tcx>>name: &'a mut (dyn FnMut(BoundRegion) -> Region<'tcx> + 'a)Trait Implementations
sourceimpl<'a, 'tcx> TypeFolder<'tcx> for RegionFolder<'a, 'tcx>
impl<'a, 'tcx> TypeFolder<'tcx> for RegionFolder<'a, 'tcx>
fn tcx<'b>(&'b self) -> TyCtxt<'tcx>
fn fold_binder<T: TypeFoldable<'tcx>>(
&mut self,
t: Binder<'tcx, T>
) -> Binder<'tcx, T>
fn fold_ty(&mut self, t: Ty<'tcx>) -> Ty<'tcx>
fn fold_region(&mut self, r: Region<'tcx>) -> Region<'tcx>
type Error = !
fn fold_const(&mut self, c: &'tcx Const<'tcx>) -> &'tcx Const<'tcx> where
Self: TypeFolder<'tcx, Error = !>,
fn fold_predicate(&mut self, p: Predicate<'tcx>) -> Predicate<'tcx> where
Self: TypeFolder<'tcx, Error = !>,
fn fold_mir_const(&mut self, c: ConstantKind<'tcx>) -> ConstantKind<'tcx> where
Self: TypeFolder<'tcx, Error = !>,
Auto Trait Implementations
impl<'a, 'tcx> !RefUnwindSafe for RegionFolder<'a, 'tcx>
impl<'a, 'tcx> !Send for RegionFolder<'a, 'tcx>
impl<'a, 'tcx> !Sync for RegionFolder<'a, 'tcx>
impl<'a, 'tcx> Unpin for RegionFolder<'a, 'tcx> where
'tcx: 'a,
impl<'a, 'tcx> !UnwindSafe for RegionFolder<'a, 'tcx>
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcepub fn borrow_mut(&mut self) -> &mut T
pub fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<'tcx, F> FallibleTypeFolder<'tcx> for F where
F: TypeFolder<'tcx, Error = !>,
impl<'tcx, F> FallibleTypeFolder<'tcx> for F where
F: TypeFolder<'tcx, Error = !>,
fn try_fold_binder<T>(
&mut self,
t: Binder<'tcx, T>
) -> Result<Binder<'tcx, T>, Self::Error> where
T: TypeFoldable<'tcx>,
fn try_fold_ty(&mut self, t: Ty<'tcx>) -> Result<Ty<'tcx>, Self::Error>
fn try_fold_region(
&mut self,
r: Region<'tcx>
) -> Result<Region<'tcx>, Self::Error>
fn try_fold_const(
&mut self,
c: &'tcx Const<'tcx>
) -> Result<&'tcx Const<'tcx>, Self::Error>
fn try_fold_predicate(
&mut self,
p: Predicate<'tcx>
) -> Result<Predicate<'tcx>, Self::Error>
fn try_fold_mir_const(
&mut self,
c: ConstantKind<'tcx>
) -> Result<ConstantKind<'tcx>, Self::Error>
sourceimpl<T> MaybeResult<T> for T
impl<T> MaybeResult<T> for T
impl<'a, T> Captures<'a> for T where
T: ?Sized,
Layout
Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.
Size: 56 bytes