Matching Brackets

Challenge Overview

Make sure the brackets and braces all match.

Visit the matching-brackets exercise on Exercism to read the full instructions and download the exercise files.

Community Solutions

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The following are the top 2 community solutions by stars:

Solution 1 by @keiraville (⭐ 0) — View on Exercism
Solution 2 by @david82 (⭐ 0) — View on Exercism

Source: Exercism idris/matching-brackets

💡 View Solution

module MatchingBrackets

export
isPaired : String -> Bool
isPaired = loop [] . filter isBracket . unpack
  where isBracket : Char -> Bool
        isBracket ch = ch == '[' || ch == ']' || ch == '{' || ch == '}' || ch == '(' || ch == ')'
        loop : List Char -> List Char -> Bool
        loop []        []        = True
        loop _         []        = False