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