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futures 0.2.1

An implementation of futures and streams featuring zero allocations, composability, and iterator-like interfaces.
Documentation 
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extern crate futures;

use futures::prelude::*;
use futures::future::ok;

mod support;

#[test]
fn fuse() {
    let mut future = ok::<i32, u32>(2).fuse();
    support::panic_waker_cx(|cx| {
        assert!(future.poll(cx).unwrap().is_ready());
        assert!(future.poll(cx).unwrap().is_pending());
    })
}