Contents

# for versions of ruby < 1.8.7
module Enumerable
  def index_by
    inject({}) do |accum, elem|
      accum[yield(elem)] = elem
      accum
    end
  end
  
  def group_by #:yield:
    #h = k = e = nil
    r = Hash.new
    each{ |e| (r[yield(e)] ||= []) << e }
    r
  end  
end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
cryx-g5k-0.2.2	lib/g5k/enumerable_extensions.rb
cryx-g5k-0.2.3	lib/g5k/enumerable_extensions.rb
cryx-g5k-0.2.4	lib/g5k/enumerable_extensions.rb
cryx-g5k-0.2.5	lib/g5k/enumerable_extensions.rb
cryx-g5k-0.2.6	lib/g5k/enumerable_extensions.rb
cryx-g5k-0.2.7	lib/g5k/enumerable_extensions.rb