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-0.10.8.0	lib/core_ext/enumerable.rb
mspire-0.10.7.3	lib/core_ext/enumerable.rb
mspire-0.10.7.2	lib/core_ext/enumerable.rb
mspire-0.10.7.1	lib/core_ext/enumerable.rb
mspire-0.10.7	lib/core_ext/enumerable.rb
mspire-0.10.6	lib/core_ext/enumerable.rb
mspire-0.10.5	lib/core_ext/enumerable.rb
mspire-0.10.4	lib/core_ext/enumerable.rb
mspire-0.10.3	lib/core_ext/enumerable.rb
mspire-0.10.2	lib/core_ext/enumerable.rb
mspire-0.10.1	lib/core_ext/enumerable.rb
mspire-0.10.0	lib/core_ext/enumerable.rb
mspire-0.9.2	lib/core_ext/enumerable.rb
mspire-0.9.1	lib/core_ext/enumerable.rb
mspire-0.9.0	lib/core_ext/enumerable.rb
mspire-0.8.7	lib/core_ext/enumerable.rb
rubabel-0.4.3	lib/rubabel/core_ext/enumerable.rb
rubabel-0.4.2	lib/rubabel/core_ext/enumerable.rb
rubabel-0.4.1	lib/rubabel/core_ext/enumerable.rb
rubabel-0.4.0	lib/rubabel/core_ext/enumerable.rb