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ranman/gist:2433382

Created April 21, 2012 02:36
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gistfile1.txt
irb(main):001:0> a
NameError: undefined local variable or method `a' for main:Object
from (irb):1
irb(main):002:0> b
NameError: undefined local variable or method `b' for main:Object
from (irb):2
irb(main):003:0> a=b
NameError: undefined local variable or method `b' for main:Object
from (irb):3
irb(main):004:0> a=a
=> nil
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