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pauladam/gist:3094209

Created July 11, 2012 22:37
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gistfile1.txt
[12] pry(main)> class Fixnum
[12] pry(main)* def in(l)
[12] pry(main)* l.include? self
[12] pry(main)* end
[12] pry(main)* end
=> nil
[13] pry(main)> 1.in [1,2,3]
=> true
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