Contents

module Enumerable
  # File activesupport/lib/active_support/core_ext/enumerable.rb, line 94
  def index_by
    return to_enum :index_by unless block_given?
    Hash[map { |elem| [yield(elem), elem] }]
  end

  def uniq_by
    h = {}
    inject([]) {|a,x| h[yield(x)] ||= a << x}
  end
end

Version data entries

32 entries across 32 versions & 2 rubygems

Version	Path
mspire-0.8.6.2	lib/core_ext/enumerable.rb
mspire-0.8.6.1	lib/core_ext/enumerable.rb
mspire-0.8.6	lib/core_ext/enumerable.rb
rubabel-0.3.0	lib/rubabel/core_ext/enumerable.rb
rubabel-0.2.2	lib/rubabel/core_ext/enumerable.rb
mspire-0.8.5	lib/core_ext/enumerable.rb
rubabel-0.2.1	lib/rubabel/core_ext/enumerable.rb
rubabel-0.2.0	lib/rubabel/core_ext/enumerable.rb
mspire-0.8.4	lib/core_ext/enumerable.rb
mspire-0.8.3	lib/core_ext/enumerable.rb
rubabel-0.1.6	lib/rubabel/core_ext/enumerable.rb
rubabel-0.1.5	lib/rubabel/core_ext/enumerable.rb