Reverse String in OCaml

Published on 20 May 2026 (Updated: 20 May 2026)

Welcome to the Reverse String in OCaml page! Here, you'll find the source code for this program as well as a description of how the program works.

Current Solution

let reverse s =
  let len = String.length s in
  String.init len (fun i -> s.[len - i - 1])

let () =
  print_endline
    (match Sys.argv with [||] | [| _ |] -> "" | args -> reverse args.(1))
(* Any additional arguments are ignored, following the example of other samples in this repo *)

Reverse String in OCaml was written by:

If you see anything you'd like to change or update, please consider contributing.

How to Implement the Solution

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How to Run the Solution

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