vendor/rails/activesupport/lib/active_support/core_ext/hash.rb

   1 %w(keys indifferent_access deep_merge reverse_merge conversions diff slice except).each do |ext|
   2   require "active_support/core_ext/hash/#{ext}"
   3 end
   4
   5 class Hash #:nodoc:
   6   include ActiveSupport::CoreExtensions::Hash::Keys
   7   include ActiveSupport::CoreExtensions::Hash::IndifferentAccess
   8   include ActiveSupport::CoreExtensions::Hash::DeepMerge
   9   include ActiveSupport::CoreExtensions::Hash::ReverseMerge
  10   include ActiveSupport::CoreExtensions::Hash::Conversions
  11   include ActiveSupport::CoreExtensions::Hash::Diff
  12   include ActiveSupport::CoreExtensions::Hash::Slice
  13   include ActiveSupport::CoreExtensions::Hash::Except
  14 end