Struct rustc_trait_selection::opaque_types::ReverseMapper
source · [−]struct ReverseMapper<'tcx> {
tcx: TyCtxt<'tcx>,
tainted_by_errors: bool,
opaque_type_def_id: DefId,
map: FxHashMap<GenericArg<'tcx>, GenericArg<'tcx>>,
map_missing_regions_to_empty: bool,
hidden_ty: Option<Ty<'tcx>>,
span: Span,
}Fields
tcx: TyCtxt<'tcx>tainted_by_errors: boolIf errors have already been reported in this fn, we suppress our own errors because they are sometimes derivative.
opaque_type_def_id: DefIdmap: FxHashMap<GenericArg<'tcx>, GenericArg<'tcx>>map_missing_regions_to_empty: boolinitially Some, set to None once error has been reported
span: SpanSpan of function being checked.
Implementations
sourceimpl<'tcx> ReverseMapper<'tcx>
impl<'tcx> ReverseMapper<'tcx>
fn new(
tcx: TyCtxt<'tcx>,
tainted_by_errors: bool,
opaque_type_def_id: DefId,
map: FxHashMap<GenericArg<'tcx>, GenericArg<'tcx>>,
hidden_ty: Ty<'tcx>,
span: Span
) -> Self
fn fold_kind_mapping_missing_regions_to_empty(
&mut self,
kind: GenericArg<'tcx>
) -> GenericArg<'tcx>
fn fold_kind_normally(&mut self, kind: GenericArg<'tcx>) -> GenericArg<'tcx>
Trait Implementations
sourceimpl<'tcx> TypeFolder<'tcx> for ReverseMapper<'tcx>
impl<'tcx> TypeFolder<'tcx> for ReverseMapper<'tcx>
fn tcx(&self) -> TyCtxt<'tcx>
fn fold_region(&mut self, r: Region<'tcx>) -> Region<'tcx>
fn fold_ty(&mut self, ty: Ty<'tcx>) -> Ty<'tcx>
fn fold_const(&mut self, ct: &'tcx Const<'tcx>) -> &'tcx Const<'tcx>
type Error = !
fn fold_binder<T>(&mut self, t: Binder<'tcx, T>) -> Binder<'tcx, T> where
T: TypeFoldable<'tcx>,
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<'tcx> !RefUnwindSafe for ReverseMapper<'tcx>
impl<'tcx> !Send for ReverseMapper<'tcx>
impl<'tcx> !Sync for ReverseMapper<'tcx>
impl<'tcx> Unpin for ReverseMapper<'tcx>
impl<'tcx> !UnwindSafe for ReverseMapper<'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 = !>,
pub fn try_fold_binder<T>(
&mut self,
t: Binder<'tcx, T>
) -> Result<Binder<'tcx, T>, <F as TypeFolder<'tcx>>::Error> where
T: TypeFoldable<'tcx>,
pub fn try_fold_ty(
&mut self,
t: &'tcx TyS<'tcx>
) -> Result<&'tcx TyS<'tcx>, <F as TypeFolder<'tcx>>::Error>
pub fn try_fold_region(
&mut self,
r: &'tcx RegionKind
) -> Result<&'tcx RegionKind, <F as TypeFolder<'tcx>>::Error>
pub fn try_fold_const(
&mut self,
c: &'tcx Const<'tcx>
) -> Result<&'tcx Const<'tcx>, <F as TypeFolder<'tcx>>::Error>
pub fn try_fold_predicate(
&mut self,
p: Predicate<'tcx>
) -> Result<Predicate<'tcx>, <F as TypeFolder<'tcx>>::Error>
pub fn try_fold_mir_const(
&mut self,
c: ConstantKind<'tcx>
) -> Result<ConstantKind<'tcx>, <F as TypeFolder<'tcx>>::Error>
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: 72 bytes