Sha256: 04391ddd2e99f847ee049408a5998c84aca4d06937a53b7e7834df71c7b0a306

Contents?: true

Size: 604 Bytes

Versions: 215

Compression:

Stored size: 604 Bytes

Contents

module ActiveSupport #:nodoc:
  module CoreExtensions #:nodoc:
    module Hash #:nodoc:
      module Diff
        # Returns a hash that represents the difference between two hashes.
        #
        # Examples:
        #
        #   {1 => 2}.diff(1 => 2)         # => {}
        #   {1 => 2}.diff(1 => 3)         # => {1 => 2}
        #   {}.diff(1 => 2)               # => {1 => 2}
        #   {1 => 2, 3 => 4}.diff(1 => 2) # => {3 => 4}
        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

Version data entries

215 entries across 182 versions & 27 rubygems

Version Path
activesupport-2.3.3 lib/active_support/core_ext/hash/diff.rb
activesupport-2.0.1 lib/active_support/core_ext/hash/diff.rb
activesupport-2.0.0 lib/active_support/core_ext/hash/diff.rb
activesupport-2.1.2 lib/active_support/core_ext/hash/diff.rb
activesupport-2.0.2 lib/active_support/core_ext/hash/diff.rb
activesupport-2.2.2 lib/active_support/core_ext/hash/diff.rb
activesupport-2.1.1 lib/active_support/core_ext/hash/diff.rb
activesupport-2.0.4 lib/active_support/core_ext/hash/diff.rb
activesupport-2.0.5 lib/active_support/core_ext/hash/diff.rb
activesupport-2.1.0 lib/active_support/core_ext/hash/diff.rb
activesupport-2.3.2 lib/active_support/core_ext/hash/diff.rb
antfarm-0.3.0 rails/vendor/rails/activesupport/lib/active_support/core_ext/hash/diff.rb
antfarm-0.4.0 rails/vendor/rails/activesupport/lib/active_support/core_ext/hash/diff.rb
mack-active_record-0.8.2 lib/gems/activesupport-2.2.2/lib/active_support/core_ext/hash/diff.rb
mack-facets-0.8.3 lib/gems/activesupport-2.2.2/lib/active_support/core_ext/hash/diff.rb
mack-facets-0.8.3.1 lib/gems/activesupport-2.2.2/lib/active_support/core_ext/hash/diff.rb
radiant-0.6.5.1 vendor/rails/activesupport/lib/active_support/core_ext/hash/diff.rb
radiant-0.6.5 vendor/rails/activesupport/lib/active_support/core_ext/hash/diff.rb
radiant-0.6.6 vendor/rails/activesupport/lib/active_support/core_ext/hash/diff.rb
radiant-0.6.7 vendor/rails/activesupport/lib/active_support/core_ext/hash/diff.rb