diff options
Diffstat (limited to 'activesupport/lib/active_support/core_ext/class')
-rw-r--r-- | activesupport/lib/active_support/core_ext/class/attribute.rb | 6 | ||||
-rw-r--r-- | activesupport/lib/active_support/core_ext/class/subclasses.rb | 14 |
2 files changed, 14 insertions, 6 deletions
diff --git a/activesupport/lib/active_support/core_ext/class/attribute.rb b/activesupport/lib/active_support/core_ext/class/attribute.rb index c64685a694..7b6f8ab0a1 100644 --- a/activesupport/lib/active_support/core_ext/class/attribute.rb +++ b/activesupport/lib/active_support/core_ext/class/attribute.rb @@ -65,10 +65,12 @@ class Class # To opt out of the instance writer method, pass :instance_writer => false. # # object.setting = false # => NoMethodError + # + # To opt out of both instance methods, pass :instance_accessor => false. def class_attribute(*attrs) options = attrs.extract_options! - instance_reader = options.fetch(:instance_reader, true) - instance_writer = options.fetch(:instance_writer, true) + instance_reader = options.fetch(:instance_accessor, true) && options.fetch(:instance_reader, true) + instance_writer = options.fetch(:instance_accessor, true) && options.fetch(:instance_writer, true) attrs.each do |name| class_eval <<-RUBY, __FILE__, __LINE__ + 1 diff --git a/activesupport/lib/active_support/core_ext/class/subclasses.rb b/activesupport/lib/active_support/core_ext/class/subclasses.rb index 74ea047c24..c2e0ebb3d4 100644 --- a/activesupport/lib/active_support/core_ext/class/subclasses.rb +++ b/activesupport/lib/active_support/core_ext/class/subclasses.rb @@ -1,11 +1,11 @@ require 'active_support/core_ext/module/anonymous' require 'active_support/core_ext/module/reachable' -class Class #:nodoc: +class Class begin ObjectSpace.each_object(Class.new) {} - def descendants + def descendants # :nodoc: descendants = [] ObjectSpace.each_object(singleton_class) do |k| descendants.unshift k unless k == self @@ -13,7 +13,7 @@ class Class #:nodoc: descendants end rescue StandardError # JRuby - def descendants + def descendants # :nodoc: descendants = [] ObjectSpace.each_object(Class) do |k| descendants.unshift k if k < self @@ -25,7 +25,13 @@ class Class #:nodoc: # Returns an array with the direct children of +self+. # - # Integer.subclasses # => [Bignum, Fixnum] + # Integer.subclasses # => [Fixnum, Bignum] + # + # class Foo; end + # class Bar < Foo; end + # class Baz < Foo; end + # + # Foo.subclasses # => [Baz, Bar] def subclasses subclasses, chain = [], descendants chain.each do |k| |