[go: up one dir, main page]

futures-core 0.3.9

The core traits and types in for the `futures` library.
Documentation 
1
2
3
4
5
6
7
8
9
10
11

/// Extracts the successful type of a `Poll<T>`.
///
/// This macro bakes in propagation of `Pending` signals by returning early.
#[macro_export]
macro_rules! ready {
    ($e:expr $(,)?) => (match $e {
        $crate::__private::Poll::Ready(t) => t,
        $crate::__private::Poll::Pending =>
            return $crate::__private::Poll::Pending,
    })
}