Struct rustc_trait_selection::traits::auto_trait::RegionReplacer
source · pub struct RegionReplacer<'a, 'tcx> {
vid_to_region: &'a FxHashMap<RegionVid, Region<'tcx>>,
tcx: TyCtxt<'tcx>,
}Expand description
Replaces all ReVars in a type with ty::Region’s, using the provided map
Fields§
§vid_to_region: &'a FxHashMap<RegionVid, Region<'tcx>>§tcx: TyCtxt<'tcx>Trait Implementations§
source§impl<'a, 'tcx> TypeFolder<'tcx> for RegionReplacer<'a, 'tcx>
impl<'a, 'tcx> TypeFolder<'tcx> for RegionReplacer<'a, 'tcx>
fn tcx<'b>(&'b self) -> TyCtxt<'tcx>
fn fold_region(&mut self, r: Region<'tcx>) -> Region<'tcx>
fn fold_binder<T>(&mut self, t: Binder<'tcx, T>) -> Binder<'tcx, T>where
T: TypeFoldable<'tcx>,
fn fold_ty(&mut self, t: Ty<'tcx>) -> Ty<'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 RegionReplacer<'a, 'tcx>
impl<'a, 'tcx> !Send for RegionReplacer<'a, 'tcx>
impl<'a, 'tcx> !Sync for RegionReplacer<'a, 'tcx>
impl<'a, 'tcx> Unpin for RegionReplacer<'a, 'tcx>where
'tcx: 'a,
impl<'a, 'tcx> !UnwindSafe for RegionReplacer<'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>, !>
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: 16 bytes