class Object # The hidden singleton lurks behind everyone def metaclass; class << self; self; end; end def meta_eval(&blk); metaclass.instance_eval(&blk); end # Adds methods to a metaclass def meta_def(name, &blk) meta_eval { define_method name, &blk } end # Remove metaclass methods. def meta_undef(name, &blk) meta_eval { remove_method name } end # Defines an instance method within a class def class_def(name, &blk) class_eval { define_method name, &blk } end end # $Id$