# LibTmux::Async::ControlConnection#closed?

- **Module:** LibTmux::Async
- **Package:** libtmux-async
- **Language:** Ruby
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-ruby/blob/d8ce4bbee0ca7748a81929f81f7d8d07f8c51267/gems/libtmux-async/lib/libtmux/async/control.rb#L183
- **Page:** https://libtmux.org/en/ruby/v0.1.0.alpha.3/reference/libtmux-async-controlconnection-closed/

```
def closed?: () -> bool
```

Behavior: Control connections.

Behavior contract: Control connections.