Contents

# encoding: UTF-8

module Enumerable
  def mapcat(initial = [], &block)
    reduce(initial) do |a, e|
      block.call(e).each do |x|
        a << x
      end
      a
    end
  end

  def pmapcat(initial = [], &block)
    intermediate = pmap(&block)
    intermediate.reduce(initial) do |a, e|
      e.each do |x|
        a << x
      end
      a
    end
  end

  def pselect(&block)
    intermediate = pmap(&block)
    zip(intermediate).select { |x| x[1] }.map(&:first)
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
gooddata-0.6.11	lib/gooddata/extensions/enumerable.rb