List Ops

Challenge Overview

Implement basic list operations.

Visit the list-ops exercise on Exercism to read the full instructions and download the exercise files.

Community Solutions

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The following are the top 3 community solutions by stars:

Solution 1 by @ismaelga (⭐ 0) — View on Exercism
Solution 2 by @jveiga (⭐ 1) — View on Exercism
Solution 3 by @k0pernicus (⭐ 2) — View on Exercism

Source: Exercism ocaml/list-ops

💡 View Solution

let rec length = function
  | [] -> 0
  | _ :: r -> 1 + length r

let reverse l =
    let rec rev l acc =
      match l with
        | [] -> acc
        | x :: r ->
            rev r (x :: acc)