josemarluedke/add_hello.rb

Created March 13, 2012 22:21

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Crie o método add_hello que recebe uma classe e define o método hello nessa.

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add_hello.rb

	require 'metaid'
	class Person
	end

	def add_hello klass
	klass.send :meta_def, :hello, do
	"Hello!"
	end
	end

	add_hello Person
	puts Person.hello

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