Cross platform asynchronous network watcher

cargo run --example if_watch
Got event Ok(Up(127.0.0.0/8))
Got event Ok(Up(127.0.0.1/32))
Got event Ok(Up(192.168.6.65/32))
Got event Ok(Up(::1/128))
Got event Ok(Up(2a01:8b81:7000:9700:cef9:e4ff:fe9e:b23b/128))
Got event Ok(Up(fe80::cef9:e4ff:fe9e:b23b/128))

License

MIT OR Apache-2.0