Contents

module BookKeeping
  VERSION = 3
end

module Brackets

  BRACKETS = {
    ')' => '(',
    ']' => '[',
    '}' => '{'
  }.freeze

  def self.paired?(str)
    stack = []
    str.each_char do |char|
      if BRACKETS.values.include?(char)
        stack.push(char)
      elsif BRACKETS.include?(char)
        return false if stack.empty?
        return false if stack.pop != BRACKETS[char]
      end
    end

    stack.empty?
  end
end

Version data entries

157 entries across 157 versions & 1 rubygems

Version	Path
trackler-2.1.0.1	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.1.0.0	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.55	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.54	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.53	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.52	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.51	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.50	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.49	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.48	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.47	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.46	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.45	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.44	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.43	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.42	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.41	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.40	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.39	tracks/ruby/exercises/bracket-push/example.rb
trackler-2.0.8.38	tracks/ruby/exercises/bracket-push/example.rb