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kv109/aes7.rb

Last active December 29, 2016 21:07
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aes7
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aes7.rb
'9'.hex #=> 9
'a'.hex #=> 10
'10'.hex #=> 16
'ff'.hex #=> 255
# zero is returned on error:
'foobar'.hex #=> 0
'zz'.hex #=> 0
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