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>
fn fold_const(&mut self, c: Const<'tcx>) -> Const<'tcx>
fn fold_unevaluated(&mut self, uv: Unevaluated<'tcx>) -> Unevaluated<'tcx>
fn fold_predicate(&mut self, p: Predicate<'tcx>) -> Predicate<'tcx>
fn fold_mir_const(&mut self, c: ConstantKind<'tcx>) -> ConstantKind<'tcx>
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 Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<'tcx, F> FallibleTypeFolder<'tcx> for Fwhere
F: TypeFolder<'tcx>,
impl<'tcx, F> FallibleTypeFolder<'tcx> for Fwhere
F: TypeFolder<'tcx>,
type Error = !
fn tcx(&'a self) -> TyCtxt<'tcx>
fn try_fold_binder<T>(
&mut self,
t: Binder<'tcx, T>
) -> Result<Binder<'tcx, T>, !>where
T: TypeFoldable<'tcx>,
fn try_fold_ty(&mut self, t: Ty<'tcx>) -> Result<Ty<'tcx>, !>
fn try_fold_region(&mut self, r: Region<'tcx>) -> Result<Region<'tcx>, !>
fn try_fold_const(&mut self, c: Const<'tcx>) -> Result<Const<'tcx>, !>
fn try_fold_unevaluated(
&mut self,
c: Unevaluated<'tcx, Option<Promoted>>
) -> Result<Unevaluated<'tcx, Option<Promoted>>, !>
fn try_fold_predicate(
&mut self,
p: Predicate<'tcx>
) -> Result<Predicate<'tcx>, !>
fn try_fold_mir_const(
&mut self,
c: ConstantKind<'tcx>
) -> Result<ConstantKind<'tcx>, !>
sourceimpl<T, R> InternIteratorElement<T, R> for T
impl<T, R> InternIteratorElement<T, R> for T
type Output = R
fn intern_with<I, F>(iter: I, f: F) -> <T as InternIteratorElement<T, R>>::Outputwhere
I: Iterator<Item = T>,
F: FnOnce(&[T]) -> R,
sourceimpl<T> MaybeResult<T> for T
impl<T> MaybeResult<T> for T
sourceimpl<CTX, T> Value<CTX> for Twhere
CTX: DepContext,
impl<CTX, T> Value<CTX> for Twhere
CTX: DepContext,
default fn from_cycle_error(tcx: CTX) -> T
impl<'a, T> Captures<'a> for Twhere
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