StdLabels(3) OCaml library StdLabels(3)

# [NAME](#NAME)

StdLabels - Standard labeled libraries.

# [Module](#Module)

Module StdLabels

# [Documentation](#Documentation)

Module **StdLabels**  
: **sig end**

Standard labeled libraries.

This meta-module provides versions of the **StdLabels.Array** , **StdLabels.Bytes** , **StdLabels.List** and **StdLabels.String** modules where function arguments are systematically labeled. It is intended to be opened at the top of source files, as shown below.

```


     open StdLabels




     let to_upper = String.map ~f:Char.uppercase_ascii


     let seq len = List.init ~f:(fun i -> i) ~len


     let everything = Array.create_matrix ~dimx:42 ~dimy:42 42


   
```

*module Array :* **(module ArrayLabels)**

*module Bytes :* **(module BytesLabels)**

*module List :* **(module ListLabels)**

*module String :* **(module StringLabels)**

2026-10-23 OCamldoc

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Document: StdLabels(3o) from ocaml 5.5.2-r0 (Chainguard OS)
Source: https://github.com/ocaml/ocaml