pub struct CoroutineClosureArgsParts<I: Interner> {
    pub parent_args: I::GenericArgsSlice,
    pub closure_kind_ty: I::Ty,
    pub signature_parts_ty: I::Ty,
    pub tupled_upvars_ty: I::Ty,
    pub coroutine_captures_by_ref_ty: I::Ty,
    pub coroutine_witness_ty: I::Ty,
}
Expand description

See docs for explanation of how each argument is used.

See CoroutineClosureSignature for how these arguments are put together to make a callable ty::FnSig suitable for typeck and borrowck.

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§parent_args: I::GenericArgsSlice

This is the args of the typeck root.

§closure_kind_ty: I::Ty

Represents the maximum calling capability of the closure.

§signature_parts_ty: I::Ty

Represents all of the relevant parts of the coroutine returned by this coroutine-closure. This signature parts type will have the general shape of fn(tupled_inputs, resume_ty) -> (return_ty, yield_ty), where resume_ty, return_ty, and yield_ty are the respective types for the coroutine returned by the coroutine-closure.

Use coroutine_closure_sig to break up this type rather than using it yourself.

§tupled_upvars_ty: I::Ty

The upvars captured by the closure. Remains an inference variable until the upvar analysis, which happens late in HIR typeck.

§coroutine_captures_by_ref_ty: I::Ty

a function pointer that has the shape for<'env> fn() -> (&'env T, ...). This allows us to represent the binder of the self-captures of the closure.

For example, if the coroutine returned by the closure borrows String from the closure’s upvars, this will be for<'env> fn() -> (&'env String,), while the tupled_upvars_ty, representing the by-move version of the same captures, will be (String,).

§coroutine_witness_ty: I::Ty

Witness type returned by the generator produced by this coroutine-closure.

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const ALIGN: Alignment = _

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fn type_id(&self) -> TypeId

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T, R> CollectAndApply<T, R> for T

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fn collect_and_apply<I, F>(iter: I, f: F) -> R
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Equivalent to f(&iter.collect::<Vec<_>>()).

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type Output = R

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fn from(t: T) -> T

Returns the argument unchanged.

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fn instrument(self, span: Span) -> Instrumented<Self>

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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 more
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Performs the conversion.
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fn upcast(self, interner: I) -> U

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fn upcast_from(from: T, _tcx: I) -> T

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Note: Unable to compute type layout, possibly due to this type having generic parameters. Layout can only be computed for concrete, fully-instantiated types.