pub trait ReservationExt<T> {
// Required method
fn send_or_reserve(
&self,
value: T,
) -> Result<Option<Reservation<T>>, SendError<T>>
where T: 'static;
}Expand description
Extension trait for bounded channel sends that can reserve capacity.
Required Methods§
Sourcefn send_or_reserve(
&self,
value: T,
) -> Result<Option<Reservation<T>>, SendError<T>>where
T: 'static,
fn send_or_reserve(
&self,
value: T,
) -> Result<Option<Reservation<T>>, SendError<T>>where
T: 'static,
Attempts to send immediately, reserving the message when the channel is full.
Returns:
Ok(None)when the value was sent immediately.Ok(Some(_))when the channel was full. Await the reservation and callReserved::sendto deliver the value.Err(_)when the receiver has been dropped.
Dyn Compatibility§
This trait is dyn compatible.
In older versions of Rust, dyn compatibility was called "object safety".