Contents

#!/usr/bin/env ruby
# -*- encoding: utf-8 -*-
# Copyright muflax <[e-mail]>, 2013
# License: GNU GPL 3 <http://www.gnu.org/copyleft/gpl.html>

class Array
  def triangle
    return to_enum(:triangle) unless block_given?

    self.each.with_index do |a, ai|
      self.each.with_index do |b, bi|
        next if bi < ai
        yield [a, b]
      end
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
muflax-0.3.3	lib/muflax/array.rb
muflax-0.3.2	lib/muflax/array.rb
muflax-0.3.1	lib/muflax/array.rb
muflax-0.3.0	lib/muflax/array.rb