Middle three digits: Difference between revisions
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(→{{header|Ruby}}: Add code.) |
(→{{header|Ruby}}: Move output into pre element..) |
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end</lang> |
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123: 123 |
<pre>123: 123 |
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12345: 234 |
12345: 234 |
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1234567: 345 |
1234567: 345 |
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-2002: Number must have an odd number of digits |
-2002: Number must have an odd number of digits |
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0: Number must have at least three digits</pre> |
0: Number must have at least three digits</pre> |
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<pre> |
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=={{header|Rust}}== |
=={{header|Rust}}== |
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<lang rust>fn middle_three_digits(x: int) -> Result<~str, ~str> { |
<lang rust>fn middle_three_digits(x: int) -> Result<~str, ~str> { |