pub struct TypeFreshener<'a, 'tcx> {
    infcx: &'a InferCtxt<'tcx>,
    ty_freshen_count: u32,
    const_freshen_count: u32,
    ty_freshen_map: FxHashMap<InferTy, Ty<'tcx>>,
    const_freshen_map: FxHashMap<InferConst, Const<'tcx>>,
}

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§infcx: &'a InferCtxt<'tcx>§ty_freshen_count: u32§const_freshen_count: u32§ty_freshen_map: FxHashMap<InferTy, Ty<'tcx>>§const_freshen_map: FxHashMap<InferConst, Const<'tcx>>

Implementations§

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impl<'a, 'tcx> TypeFreshener<'a, 'tcx>

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pub fn new(infcx: &'a InferCtxt<'tcx>) -> TypeFreshener<'a, 'tcx>

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fn freshen_ty<F>( &mut self, opt_ty: Option<Ty<'tcx>>, key: InferTy, mk_fresh: F ) -> Ty<'tcx>
where F: FnOnce(u32) -> Ty<'tcx>,

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fn freshen_const<F>( &mut self, opt_ct: Option<Const<'tcx>>, key: InferConst, freshener: F, ty: Ty<'tcx> ) -> Const<'tcx>
where F: FnOnce(u32) -> InferConst,

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impl<'a, 'tcx> TypeFreshener<'a, 'tcx>

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fn fold_infer_ty(&mut self, v: InferTy) -> Option<Ty<'tcx>>

Trait Implementations§

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impl<'a, 'tcx> TypeFolder<TyCtxt<'tcx>> for TypeFreshener<'a, 'tcx>

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fn interner(&self) -> TyCtxt<'tcx>

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fn fold_region(&mut self, r: Region<'tcx>) -> Region<'tcx>

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fn fold_ty(&mut self, t: Ty<'tcx>) -> Ty<'tcx>

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fn fold_const(&mut self, ct: Const<'tcx>) -> Const<'tcx>

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fn fold_binder<T>( &mut self, t: <I as Interner>::Binder<T> ) -> <I as Interner>::Binder<T>
where T: TypeFoldable<I>, <I as Interner>::Binder<T>: TypeSuperFoldable<I>,

Auto Trait Implementations§

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impl<'a, 'tcx> !RefUnwindSafe for TypeFreshener<'a, 'tcx>

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impl<'a, 'tcx> !Send for TypeFreshener<'a, 'tcx>

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impl<'a, 'tcx> !Sync for TypeFreshener<'a, 'tcx>

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impl<'a, 'tcx> Unpin for TypeFreshener<'a, 'tcx>

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impl<'a, 'tcx> !UnwindSafe for TypeFreshener<'a, 'tcx>

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<I, F> FallibleTypeFolder<I> for F
where I: Interner, F: TypeFolder<I>,

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type Error = !

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fn interner(&self) -> I

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fn try_fold_binder<T>( &mut self, t: <I as Interner>::Binder<T> ) -> Result<<I as Interner>::Binder<T>, !>
where T: TypeFoldable<I>, <I as Interner>::Binder<T>: TypeSuperFoldable<I>,

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fn try_fold_ty( &mut self, t: <I as Interner>::Ty ) -> Result<<I as Interner>::Ty, !>
where <I as Interner>::Ty: TypeSuperFoldable<I>,

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fn try_fold_region( &mut self, r: <I as Interner>::Region ) -> Result<<I as Interner>::Region, !>

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fn try_fold_const( &mut self, c: <I as Interner>::Const ) -> Result<<I as Interner>::Const, !>
where <I as Interner>::Const: TypeSuperFoldable<I>,

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fn try_fold_predicate( &mut self, p: <I as Interner>::Predicate ) -> Result<<I as Interner>::Predicate, !>

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

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: 80 bytes