# Libtmux.Expr.Rel

- **Module:** Libtmux
- **Package:** libtmux
- **Language:** OCaml
- **Kind:** module
- **Source:** https://github.com/libtmux/libtmux-ocaml/blob/205dfda49742592b479247049d186956e4a4cfe9/lib/libtmux.mli#L611
- **Public owner:** Libtmux
- **Page:** https://libtmux.org/en/ocaml/latest/reference/libtmux-expr-rel/

```ocaml
module Rel
```

## Members

### Common operations

- [`any`](/en/ocaml/latest/reference/libtmux-expr-rel-any/) (function)
- [`none`](/en/ocaml/latest/reference/libtmux-expr-rel-none/) (function): On empty relations, `any` is false; `all` and `none` are true. One child must satisfy the complete nested expression.

### Other members

- [`all`](/en/ocaml/latest/reference/libtmux-expr-rel-all/) (function)
- [`exists`](/en/ocaml/latest/reference/libtmux-expr-rel-exists/) (function)
- [`is`](/en/ocaml/latest/reference/libtmux-expr-rel-is/) (function)
- [`is_absent`](/en/ocaml/latest/reference/libtmux-expr-rel-is_absent/) (function)