# java.util.OptionalLong.orNull

- **Module:** java.util.OptionalLong
- **Package:** io.github.libtmux:libtmux-kotlin
- **Language:** Kotlin
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-java/blob/f56392b5d9bc7f1f9c1631842333fb90f3d82d40/libtmux-kotlin/src/main/kotlin/io/github/libtmux/kotlin/Optionals.kt#L17
- **Page:** https://libtmux.org/en/kotlin/latest/reference/java-util-optionallong-ornull/

```
public fun OptionalLong.orNull(): Long?
```

The value, or null when absent.