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hannestyden/module_methods.rb

Created April 13, 2010 09:30
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module_methods.rb
module M
extend self
def m
:m
end
end
class A
extend M
end
class B
include M
end
M.m # => :m
A.new.m rescue :undefined_method # => :undefined_method
A.m # => :m
B.new.m # => :m
B.m rescue :undefined_method # => :undefined_method
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