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yarmand/double_include.rb

Created February 7, 2013 11:19
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If you include a module more than once, included get called every time.
Raw
double_include.rb
module A
def self.included(base)
puts "A included in #{base}"
end
end
class B
include A
end
class B
include A
end
========== result ==========
A included in B
A included in B
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