futures-time 0.3.0

async time combinators
Documentation 
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use std::{future::Future, pin::Pin};

/// A future which holds a deadline relative to now.
///
/// This is a future which will trigger at some point in the future. Operations
/// such as `debounce`, which need to move their deadline forward every time an
/// item is received from ther underlying stream. This method provides a way to
/// ask a future to resolve at some point in the future instead.
pub trait Deadline: Future {
    /// Move the point at which this future resolves to some point in the
    /// future. If the future has already resolved before, calling this method
    /// will allow it to resolve again.
    fn push_deadline(self: Pin<&mut Self>);
}