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utkarshkukreti/gist:1002620

Created June 1, 2011 15:55
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gistfile1.rb
pry(main)> module Blah
pry(main)* def blah
pry(main)* true
pry(main)* end
pry(main)* end
=> nil
pry(main)> a = []
=> []
pry(main)> Enumerable.send(:include, Blah)
=> Enumerable
pry(main)> a.blah
NoMethodError: undefined method `blah' for []:Array
from <main>:in `<main>'
pry(main)> [].blah
NoMethodError: undefined method `blah' for []:Array
from <main>:in `<main>'
pry(main)> module Enumerable
pry(main)* def blah
pry(main)* true
pry(main)* end
pry(main)* end
=> nil
pry(main)> a.blah
=> true
pry(main)> [].blah
=> true
pry(main)>
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