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olegantonyan/test_mixin.rb

Last active October 26, 2015 03:22
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Mixin class methods
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test_mixin.rb
module Foo
def self.included base
base.send :extend, ClassMethods
end
module ClassMethods # the name doesn't matter as long as it match with line 3
def bar
puts 'hello'
end
end
end
class Test
include Foo
end
Test.bar #=> hello
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