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(Option<DebruijnIndex>, DebruijnIndex, BoundRegion) -> Region<'tcx> + 'a),
}Expand description
Folds through bound vars and placeholders, naming them
Fields§
§tcx: TyCtxt<'tcx>§current_index: DebruijnIndex§region_map: BTreeMap<BoundRegion, Region<'tcx>>§name: &'a mut (dyn FnMut(Option<DebruijnIndex>, DebruijnIndex, BoundRegion) -> Region<'tcx> + 'a)Trait Implementations§
source§impl<'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_predicate(&mut self, p: Predicate<'tcx>) -> Predicate<'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§
source§impl<'tcx, F> FallibleTypeFolder<'tcx> for Fwhere
F: TypeFolder<'tcx>,
impl<'tcx, F> FallibleTypeFolder<'tcx> for Fwhere
F: TypeFolder<'tcx>,
type Error = !
fn tcx<'a>(&'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_predicate(
&mut self,
p: Predicate<'tcx>
) -> Result<Predicate<'tcx>, !>
source§impl<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,
source§impl<T> MaybeResult<T> for T
impl<T> MaybeResult<T> for T
source§impl<'tcx, T> ToPredicate<'tcx, T> for T
impl<'tcx, T> ToPredicate<'tcx, T> for T
fn to_predicate(self, _tcx: TyCtxt<'tcx>) -> T
source§impl<Tcx, T> Value<Tcx> for Twhere
Tcx: DepContext,
impl<Tcx, T> Value<Tcx> for Twhere
Tcx: DepContext,
default fn from_cycle_error(tcx: Tcx, _: &[QueryInfo]) -> T
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