Nim

Other Nim solutions.

proc reverse*(s: string): string =
  if s == "":
    return s

  var aux = s
  for i in 0 .. high(s) div 2:
    swap(aux[i], aux[high(aux) - i])
  aux

Clojure

Other Clojure solutions.

(ns reverse-string)

(defn reverse-string [s]
  (let [reversed-chars (into () s)] ;; https://clojuredocs.org/clojure.core/into
  (apply str reversed-chars)))

Rust

Other Rust solutions.

pub fn reverse(input: &str) -> String {
    input.chars().rev().collect::<String>()
}

Roc

Other Roc solutions.

module [reverse]

import unicode.Grapheme

reverse : Str -> Str
reverse = \string ->
    when Grapheme.split string is
        Ok chars ->
            chars |> List.reverse |> Str.joinWith ""

        Err _ -> ""