pub struct PlaceholderReplacer<'a, Infcx, I = I>where
Infcx: InferCtxtLike<Interner = I>,
I: Interner,{
infcx: &'a Infcx,
mapped_regions: IndexMap<PlaceholderRegion<I>, BoundRegion<I>>,
mapped_types: IndexMap<PlaceholderType<I>, BoundTy<I>>,
mapped_consts: IndexMap<PlaceholderConst<I>, BoundConst<I>>,
universe_indices: &'a [Option<UniverseIndex>],
current_index: DebruijnIndex,
}Expand description
The inverse of BoundVarReplacer: replaces placeholders with the bound vars from which they came.
Fields§
§infcx: &'a Infcx§mapped_regions: IndexMap<PlaceholderRegion<I>, BoundRegion<I>>§mapped_types: IndexMap<PlaceholderType<I>, BoundTy<I>>§mapped_consts: IndexMap<PlaceholderConst<I>, BoundConst<I>>§universe_indices: &'a [Option<UniverseIndex>]§current_index: DebruijnIndexImplementations§
Source§impl<'a, Infcx, I> PlaceholderReplacer<'a, Infcx, I>where
Infcx: InferCtxtLike<Interner = I>,
I: Interner,
impl<'a, Infcx, I> PlaceholderReplacer<'a, Infcx, I>where
Infcx: InferCtxtLike<Interner = I>,
I: Interner,
pub fn replace_placeholders<T: TypeFoldable<I>>( infcx: &'a Infcx, mapped_regions: IndexMap<PlaceholderRegion<I>, BoundRegion<I>>, mapped_types: IndexMap<PlaceholderType<I>, BoundTy<I>>, mapped_consts: IndexMap<PlaceholderConst<I>, BoundConst<I>>, universe_indices: &'a [Option<UniverseIndex>], value: T, ) -> T
Trait Implementations§
Source§impl<'a, Infcx, I> TypeFolder<I> for PlaceholderReplacer<'a, Infcx, I>where
Infcx: InferCtxtLike<Interner = I>,
I: Interner,
impl<'a, Infcx, I> TypeFolder<I> for PlaceholderReplacer<'a, Infcx, I>where
Infcx: InferCtxtLike<Interner = I>,
I: Interner,
fn cx(&self) -> I
fn fold_binder<T: TypeFoldable<I>>(&mut self, t: Binder<I, T>) -> Binder<I, T>
fn fold_region(&mut self, r0: I::Region) -> I::Region
fn fold_ty(&mut self, ty: I::Ty) -> I::Ty
fn fold_const(&mut self, ct: I::Const) -> I::Const
fn fold_predicate( &mut self, p: <I as Interner>::Predicate, ) -> <I as Interner>::Predicate
fn fold_clauses( &mut self, c: <I as Interner>::Clauses, ) -> <I as Interner>::Clauses
Auto Trait Implementations§
impl<'a, Infcx, I> DynSend for PlaceholderReplacer<'a, Infcx, I>
impl<'a, Infcx, I> DynSync for PlaceholderReplacer<'a, Infcx, I>
impl<'a, Infcx, I> Freeze for PlaceholderReplacer<'a, Infcx, I>
impl<'a, Infcx, I> RefUnwindSafe for PlaceholderReplacer<'a, Infcx, I>where
Infcx: RefUnwindSafe,
<I as Interner>::Symbol: RefUnwindSafe,
<I as Interner>::DefId: RefUnwindSafe,
impl<'a, Infcx, I> Send for PlaceholderReplacer<'a, Infcx, I>
impl<'a, Infcx, I> Sync for PlaceholderReplacer<'a, Infcx, I>
impl<'a, Infcx, I> Unpin for PlaceholderReplacer<'a, Infcx, I>
impl<'a, Infcx, I> UnsafeUnpin for PlaceholderReplacer<'a, Infcx, I>
impl<'a, Infcx, I> UnwindSafe for PlaceholderReplacer<'a, Infcx, I>where
Infcx: RefUnwindSafe,
<I as Interner>::Symbol: UnwindSafe,
<I as Interner>::DefId: UnwindSafe,
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T, R> CollectAndApply<T, R> for T
impl<T, R> CollectAndApply<T, R> for T
Source§impl<T> Instrument for T
impl<T> Instrument for T
Source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
Source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§impl<T> Pointable for T
impl<T> Pointable for T
Source§impl<I, T, U> Upcast<I, U> for Twhere
U: UpcastFrom<I, T>,
impl<I, T, U> Upcast<I, U> for Twhere
U: UpcastFrom<I, T>,
Source§impl<I, T> UpcastFrom<I, T> for T
impl<I, T> UpcastFrom<I, T> for T
fn upcast_from(from: T, _tcx: I) -> T
Source§impl<T> WithSubscriber for T
impl<T> WithSubscriber for T
Source§fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
Source§fn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
impl<T> ErasedDestructor for Twhere
T: 'static,
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: 200 bytes