async-watch 0.3.1

Async watch channel
Documentation 
# async-watch

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https://github.com/cynecx/async-watch)
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https://crates.io/crates/async-watch)
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https://docs.rs/async-watch)

A single-producer, multi-consumer channel that only retains the *last* sent value.

Extracted from [Tokio's](https://github.com/tokio-rs/tokio/) [`tokio::sync::watch`](https://github.com/tokio-rs/tokio/blob/master/tokio/src/sync/watch.rs) implementation,
which was written by [Carl Lerche](https://github.com/carllerche).

## License

async-watch is primarily distributed under the terms of both the MIT license
and the Apache License (Version 2.0).

See [LICENSE-APACHE](LICENSE-APACHE) and [LICENSE-MIT](LICENSE-MIT) for details.