Struct capnp::capability::Promise [−][src]
#[must_use = "futures do nothing unless polled"]pub struct Promise<T, E> { /* fields omitted */ }
A computation that might eventually resolve to a value of type T
or to an error
of type E
. Dropping the promise cancels the computation.
Methods
impl<T, E> Promise<T, E>
[src]
impl<T, E> Promise<T, E>