Secret Handshake

Challenge Overview

Given a decimal number, convert it to the appropriate sequence of events for a secret handshake.

Visit the secret-handshake 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 @JJTM20 (⭐ 3) — View on Exercism
Solution 2 by @kagamibestgirl (⭐ 2) — View on Exercism
Solution 3 by @lgastako (⭐ 1) — View on Exercism

Source: Exercism haskell/secret-handshake

💡 View Solution

module SecretHandshake (handshake) where

handshake :: Int -> [String]
handshake n | n >= 16 = reverse $ handshake (n-16)
            | n >=  8 = handshake (n-8) ++ ["jump"]
            | n >=  4 = handshake (n-4) ++ ["close your eyes"]
            | n >=  2 = handshake (n-2) ++ ["double blink"]
            | n >=  1 = handshake (n-1) ++ ["wink"]
            | otherwise = []