Trait core::ops::AsyncFnOnce
source · pub trait AsyncFnOnce<Args: Tuple> {
type CallOnceFuture: Future<Output = Self::Output>;
type Output;
// Required method
extern "rust-call" fn async_call_once(
self,
args: Args,
) -> Self::CallOnceFuture;
}
🔬This is a nightly-only experimental API. (
async_fn_traits
)Expand description
An async-aware version of the FnOnce
trait.
All async fn
and functions returning futures implement this trait.
Required Associated Types§
sourcetype CallOnceFuture: Future<Output = Self::Output>
🔬This is a nightly-only experimental API. (async_fn_traits
)
type CallOnceFuture: Future<Output = Self::Output>
async_fn_traits
)Future returned by AsyncFnOnce::async_call_once
.
Required Methods§
sourceextern "rust-call" fn async_call_once(
self,
args: Args,
) -> Self::CallOnceFuture
🔬This is a nightly-only experimental API. (async_fn_traits
)
extern "rust-call" fn async_call_once( self, args: Args, ) -> Self::CallOnceFuture
async_fn_traits
)Call the AsyncFnOnce
, returning a future which may move out of the called closure.