diff options
Diffstat (limited to 'activesupport/lib/active_support/hash_with_indifferent_access.rb')
| -rw-r--r-- | activesupport/lib/active_support/hash_with_indifferent_access.rb | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/hash_with_indifferent_access.rb b/activesupport/lib/active_support/hash_with_indifferent_access.rb index 03770a197c..d3bb5496bf 100644 --- a/activesupport/lib/active_support/hash_with_indifferent_access.rb +++ b/activesupport/lib/active_support/hash_with_indifferent_access.rb @@ -1,5 +1,5 @@ -require 'active_support/core_ext/hash/keys' -require 'active_support/core_ext/hash/reverse_merge' +require "active_support/core_ext/hash/keys" +require "active_support/core_ext/hash/reverse_merge" module ActiveSupport # Implements a hash where keys <tt>:foo</tt> and <tt>"foo"</tt> are considered @@ -40,6 +40,12 @@ module ActiveSupport # rgb = { black: '#000000', white: '#FFFFFF' }.with_indifferent_access # # which may be handy. + # + # To access this class outside of Rails, require the core extension with: + # + # require "active_support/core_ext/hash/indifferent_access" + # + # which will, in turn, require this file. class HashWithIndifferentAccess < Hash # Returns +true+ so that <tt>Array#extract_options!</tt> finds members of # this class. @@ -161,7 +167,6 @@ module ActiveSupport alias_method :has_key?, :key? alias_method :member?, :key? - # Same as <tt>Hash#[]</tt> where the key passed as argument can be # either a string or a symbol: # @@ -217,7 +222,7 @@ module ActiveSupport # modify the receiver but rather returns a new hash with indifferent # access with the result of the merge. def merge(hash, &block) - self.dup.update(hash, &block) + dup.update(hash, &block) end # Like +merge+ but the other way around: Merges the receiver into the @@ -268,6 +273,11 @@ module ActiveSupport dup.tap { |hash| hash.reject!(*args, &block) } end + def transform_values(*args, &block) + return to_enum(:transform_values) unless block_given? + dup.tap { |hash| hash.transform_values!(*args, &block) } + end + # Convert to a regular hash with string keys. def to_hash _new_hash = Hash.new |