Module: SubclassTracking

Included in:
FileSystem, FileSystemImage, HostSystem, ImageFormat, NativeFileType
Defined in:
lib/SubclassTracking.rb

Overview

derived from ola-bini.blogspot.com/2007/07/objectspace-to-have-or-not-to-have.html

Class Method Summary collapse

Class Method Details

.extended(klazz) ⇒ Object 



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# File 'lib/SubclassTracking.rb', line 3

def self.extended(klazz)
(class <<klazz; self; end).send :attr_accessor,  :subclasses
(class <<klazz; self; end).send :define_method, :inherited do |clzz|
  klazz.subclasses << clzz
  super
end
klazz.subclasses = []
end