Middle three digits: Difference between revisions
Content deleted Content added
→{{header|Ruby}}: Use appropriate error class. |
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# check validity |
# check validity |
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raise "Number must have at least three digits" if l < 3 |
raise ArgumentError, "Number must have at least three digits" if l < 3 |
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raise "Number must have an odd number of digits" if l % 2 == 0 |
raise ArgumentError, "Number must have an odd number of digits" if l % 2 == 0 |
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return s[l/2-1,3].to_i |
return s[l/2-1,3].to_i |
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begin |
begin |
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puts "%03d" % middle_three_digits(n) |
puts "%03d" % middle_three_digits(n) |
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rescue |
rescue ArgumentError => e |
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puts e.to_s |
puts e.to_s |
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end |
end |
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