Bi-directional channels for communicating between threads based on crossbeam-channel.
```rust
let (left, right) = unbounded::
for i in 0..10 { left.send(i); if left.recv().unwrap() { println!("{} is even", i); } } ```
toml
[dependencies]
doublecross = "0.2"
Licensed under the terms of of the MPL-2.0.