diff options
Diffstat (limited to 'activesupport/lib/active_support')
-rw-r--r-- | activesupport/lib/active_support/core_ext/hash.rb | 2 | ||||
-rw-r--r-- | activesupport/lib/active_support/core_ext/hash/diff.rb | 11 |
2 files changed, 13 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/core_ext/hash.rb b/activesupport/lib/active_support/core_ext/hash.rb index b8309baea3..7d94d70910 100644 --- a/activesupport/lib/active_support/core_ext/hash.rb +++ b/activesupport/lib/active_support/core_ext/hash.rb @@ -2,10 +2,12 @@ require File.dirname(__FILE__) + '/hash/keys' require File.dirname(__FILE__) + '/hash/indifferent_access' require File.dirname(__FILE__) + '/hash/reverse_merge' require File.dirname(__FILE__) + '/hash/conversions' +require File.dirname(__FILE__) + '/hash/diff' class Hash #:nodoc: include ActiveSupport::CoreExtensions::Hash::Keys include ActiveSupport::CoreExtensions::Hash::IndifferentAccess include ActiveSupport::CoreExtensions::Hash::ReverseMerge include ActiveSupport::CoreExtensions::Hash::Conversions + include ActiveSupport::CoreExtensions::Hash::Diff end diff --git a/activesupport/lib/active_support/core_ext/hash/diff.rb b/activesupport/lib/active_support/core_ext/hash/diff.rb new file mode 100644 index 0000000000..deace40a29 --- /dev/null +++ b/activesupport/lib/active_support/core_ext/hash/diff.rb @@ -0,0 +1,11 @@ +module ActiveSupport #:nodoc: + module CoreExtensions #:nodoc: + module Hash #:nodoc: + module Diff + def diff(h2) + self.dup.delete_if { |k, v| h2[k] == v }.merge(h2.dup.delete_if { |k, v| self.has_key?(k) }) + end + end + end + end +end |