class_attribute(*attrs)
Instance Public methods
Declare a class-level attribute whose value is inheritable by subclasses.
Subclasses can change their own value and it will not impact parent class.
class Base
class_attribute :setting
end
class Subclass < Base
end
Base.setting = true
Subclass.setting # => true
Subclass.setting = false
Subclass.setting # => false
Base.setting # => true
In the above case as long as Subclass does not
