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Middle three digits: Difference between revisions
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→{{header|Ruby}}: Correct mang tag.
(→{{header|Ruby}}: Use appropriate error class.) |
m (→{{header|Ruby}}: Correct mang tag.) |
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=={{header|Ruby}}==
<lang ruby>def middle_three_digits(n)
# minus sign doesn't factor into digit count,
# and calling #abs acts as a duck-type assertion
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