1 /// Extracts the successful type of a `Poll<T>`. 2 /// 3 /// This macro bakes in propagation of `Pending` signals by returning early. 4 #[macro_export] 5 macro_rules! ready { 6 ($e:expr $(,)?) => { 7 match $e { 8 $crate::task::Poll::Ready(t) => t, 9 $crate::task::Poll::Pending => return $crate::task::Poll::Pending, 10 } 11 }; 12 } 13