aboutsummaryrefslogtreecommitdiffstats
path: root/activesupport/lib/active_support/core_ext/hash/indifferent_access.rb
blob: 3e1ccecb6c0abbd6e4521f49c3b413a021cf9701 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
require "active_support/hash_with_indifferent_access"

class Hash
  # Returns an <tt>ActiveSupport::HashWithIndifferentAccess</tt> out of its receiver:
  #
  #   { a: 1 }.with_indifferent_access['a'] # => 1
  def with_indifferent_access
    ActiveSupport::HashWithIndifferentAccess.new(self)
  end

  # Called when object is nested under an object that receives
  # #with_indifferent_access. This method will be called on the current object
  # by the enclosing object and is aliased to #with_indifferent_access by
  # default. Subclasses of Hash may overwrite this method to return +self+ if
  # converting to an <tt>ActiveSupport::HashWithIndifferentAccess</tt> would not be
  # desirable.
  #
  #   b = { b: 1 }
  #   { a: b }.with_indifferent_access['a'] # calls b.nested_under_indifferent_access
  #   # => {"b"=>1}
  alias nested_under_indifferent_access with_indifferent_access
end