Struct rustc_infer::infer::TypeFreshener
source · [−]pub struct TypeFreshener<'a, 'tcx> {
infcx: &'a InferCtxt<'a, 'tcx>,
ty_freshen_count: u32,
const_freshen_count: u32,
ty_freshen_map: FxHashMap<InferTy, Ty<'tcx>>,
const_freshen_map: FxHashMap<InferConst<'tcx>, Const<'tcx>>,
keep_static: bool,
}Fields
infcx: &'a InferCtxt<'a, 'tcx>ty_freshen_count: u32const_freshen_count: u32ty_freshen_map: FxHashMap<InferTy, Ty<'tcx>>const_freshen_map: FxHashMap<InferConst<'tcx>, Const<'tcx>>keep_static: boolImplementations
sourceimpl<'a, 'tcx> TypeFreshener<'a, 'tcx>
impl<'a, 'tcx> TypeFreshener<'a, 'tcx>
pub fn new(
infcx: &'a InferCtxt<'a, 'tcx>,
keep_static: bool
) -> TypeFreshener<'a, 'tcx>
fn freshen_ty<F>(
&mut self,
opt_ty: Option<Ty<'tcx>>,
key: InferTy,
freshener: F
) -> Ty<'tcx> where
F: FnOnce(u32) -> InferTy,
fn freshen_const<F>(
&mut self,
opt_ct: Option<Const<'tcx>>,
key: InferConst<'tcx>,
freshener: F,
ty: Ty<'tcx>
) -> Const<'tcx> where
F: FnOnce(u32) -> InferConst<'tcx>,
Trait Implementations
sourceimpl<'a, 'tcx> TypeFolder<'tcx> for TypeFreshener<'a, 'tcx>
impl<'a, 'tcx> TypeFolder<'tcx> for TypeFreshener<'a, 'tcx>
fn tcx<'b>(&'b self) -> TyCtxt<'tcx>
fn fold_region(&mut self, r: Region<'tcx>) -> Region<'tcx>
fn fold_ty(&mut self, t: Ty<'tcx>) -> Ty<'tcx>
fn fold_const(&mut self, ct: Const<'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<'a, 'tcx> !RefUnwindSafe for TypeFreshener<'a, 'tcx>
impl<'a, 'tcx> !Send for TypeFreshener<'a, 'tcx>
impl<'a, 'tcx> !Sync for TypeFreshener<'a, 'tcx>
impl<'a, 'tcx> Unpin for TypeFreshener<'a, 'tcx> where
'tcx: 'a,
impl<'a, 'tcx> !UnwindSafe for TypeFreshener<'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 = !>,
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: Ty<'tcx>
) -> Result<Ty<'tcx>, <F as TypeFolder<'tcx>>::Error>
pub fn try_fold_region(
&mut self,
r: Region<'tcx>
) -> Result<Region<'tcx>, <F as TypeFolder<'tcx>>::Error>
pub fn try_fold_const(
&mut self,
c: Const<'tcx>
) -> Result<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>
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: 88 bytes