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irb(main):002:0> c = "i" | |
=> "i" | |
irb(main):003:0> c.chomp.to_s(16) | |
ArgumentError: wrong number of arguments (1 for 0) | |
from (irb):3:in `to_s' | |
from (irb):3 | |
from :0 | |
irb(main):004:0> |
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