# LibTmux.Value.windowIndexValue

- **Package:** libtmux-haskell
- **Language:** Haskell
- **Kind:** function
- **Source:** https://github.com/libtmux/libtmux-haskell/blob/581f0ee45016ffb2283366bb1edc1658df26c5ed/src/LibTmux/Value.hs#L81
- **Page:** https://libtmux.org/en/haskell/latest/reference/libtmux-value-v-windowindexvalue/

```haskell
windowIndexValue :: WindowIndex -> Integer
```

Signature types: [`WindowIndex`](/en/haskell/latest/reference/libtmux-value-t-windowindex/), [`Integer`](https://hackage.haskell.org/package/base-4.22.0.0/docs/Prelude.html#t:Integer).

Read a window-link index as a mathematical integer.

## Referenced declarations

- [`LibTmux.Value.WindowIndex`](/en/haskell/latest/reference/libtmux-value-t-windowindex/) (data type)