method
superclass_delegating_reader
v2.3.8 -
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- Class:
Class
superclass_delegating_reader(*names)public
No documentation available.
# File activesupport/lib/active_support/core_ext/class/delegating_attributes.rb, line 8
def superclass_delegating_reader(*names)
class_name_to_stop_searching_on = self.superclass.name.blank? ? "Object" : self.superclass.name
names.each do |name|
class_eval "def self.\#{name} # def self.only_reader\nif defined?(@\#{name}) # if defined?(@only_reader)\n@\#{name} # @only_reader\nelsif superclass < \#{class_name_to_stop_searching_on} && # elsif superclass < Object &&\nsuperclass.respond_to?(:\#{name}) # superclass.respond_to?(:only_reader)\nsuperclass.\#{name} # superclass.only_reader\nend # end\nend # end\ndef \#{name} # def only_reader\nself.class.\#{name} # self.class.only_reader\nend # end\ndef self.\#{name}? # def self.only_reader?\n!!\#{name} # !!only_reader\nend # end\ndef \#{name}? # def only_reader?\n!!\#{name} # !!only_reader\nend # end\n"
end
end 1Note
Usage example
====
class Aa class_inheritable_accessor :test end => [:test]
Aa.test = 10 => 10
Aa.test => 10
Bb = Class.new(Aa) => Bb
Bb.test => 10
Bb.test = 5 => 5
Bb.test => 5
Aa.test => 10