Wordy

Ringkasan Tantangan

Parse and evaluate simple math word problems returning the answer as an integer.

Visit the wordy 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 @Vanya329 (⭐ 4) — View on Exercism
Solution 2 by @tofische (⭐ 0) — View on Exercism
Solution 3 by @jvdp (⭐ 7) — View on Exercism

Source: Exercism haskell/wordy

💡 Lihat Solusi

module WordProblem (answer) where

import Text.Read (readMaybe)

answer :: String -> Maybe Int
answer q = case last q of
             '?' -> answerWords . words . init $ q
             _   -> Nothing

answerWords :: [String] -> Maybe Int