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# File 'lib/famili/class_attribute.rb', line 10
def class_attribute(*attrs)
attrs.each do |name|
class_eval <<-RUBY, __FILE__, __LINE__ + 1
def self.#{name}() nil end
def self.#{name}?() !!#{name} end
def self.#{name}=(val)
singleton_class.class_eval do
remove_possible_method(:#{name})
define_method(:#{name}) { val }
end
if singleton_class?
class_eval do
remove_possible_method(:#{name})
def #{name}
defined?(@#{name}) ? @#{name} : singleton_class.#{name}
end
end
end
val
end
RUBY
end
end
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