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|
module Kernel
##
# call-seq:
# obj.extend(module, ...) -> obj
#
# Adds to _obj_ the instance methods from each module given as a
# parameter.
#
# module Mod
# def hello
# "Hello from Mod.\n"
# end
# end
#
# class Klass
# def hello
# "Hello from Klass.\n"
# end
# end
#
# k = Klass.new
# k.hello #=> "Hello from Klass.\n"
# k.extend(Mod) #=> #<Klass:0x401b3bc8>
# k.hello #=> "Hello from Mod.\n"
#
# ISO 15.3.1.3.13
def extend(*args)
args.reverse!
obj = self
args.each do |m|
m.__send__(:extend_object, obj)
m.__send__(:extended, obj)
end
self
end
end
|
