Trait std::ops::AsyncFn

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pub trait AsyncFn<Args>: AsyncFnMut<Args>
where Args: Tuple,
{ // Required method extern "rust-call" fn async_call( &self, args: Args, ) -> Self::CallRefFuture<'_>; }
🔬This is a nightly-only experimental API. (async_closure #62290)
Expand description

An async-aware version of the Fn trait.

All async fn and functions returning futures implement this trait.

Required Methods§

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extern "rust-call" fn async_call( &self, args: Args, ) -> Self::CallRefFuture<'_>

🔬This is a nightly-only experimental API. (async_fn_traits)

Call the AsyncFn, returning a future which may borrow from the called closure.

Object Safety§

This trait is not object safe.

Implementors§

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impl<A, F> AsyncFn<A> for &F
where A: Tuple, F: AsyncFn<A> + ?Sized,

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impl<Args, F, A> AsyncFn<Args> for Box<F, A>
where Args: Tuple, F: AsyncFn<Args> + ?Sized, A: Allocator,