Proverb

Ringkasan Tantangan

For want of a horseshoe nail, a kingdom was lost, or so the saying goes. Output the full text of this proverbial rhyme.

Visit the proverb exercise on Exercism to read the full instructions and download the exercise files.

Community Solutions

Lihat Solusi Komunitas

The following are the top 3 community solutions by stars:

Solution 1 by @ChrisPritchard (⭐ 0) — View on Exercism
Solution 2 by @peteraba (⭐ 0) — View on Exercism
Solution 3 by @b47on (⭐ 0) — View on Exercism

Source: Exercism fsharp/proverb

💡 Lihat Solusi

module Proverb

let recite (input: string list): string list = 
    let reciter acc x = 
        match acc with 
        | "" -> ("", x) 
        | _ -> (sprintf "For want of a %s the %s was lost." acc x, x)
    match input with
    | [] -> []
    | _ -> input |> List.mapFold reciter "" |> fst |> List.skip 1 |> (fun x -> x @ [sprintf "And all for the want of a %s." input.[0]])