Middle three digits: Difference between revisions
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→{{header|Scala}}: Marked incomplete as I think it would fail for 10100 for example. |
Keithpinson (talk | contribs) |
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middle_three_digits(0) returned: Failure, Too short</pre> |
middle_three_digits(0) returned: Failure, Too short</pre> |
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=={{header|Scala}}== |
=={{header|Scala}}== |
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{{incomplete|Scala|I just noticed that if intVals contained 10100 then your output would be "10" instead of '010' I think.}} |
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<lang scala>/** |
<lang scala>/** |
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* Optionally return the middle three digits of an integer. |
* Optionally return the middle three digits of an integer. |
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intVals map (middleThree(_)) map { |
intVals map (middleThree(_)) map { |
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case None => "No middle three" |
case None => "No middle three" |
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case Some(v) |
case Some(v) => f"${v}%03d" // Format the value, force leading zeroes |
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case Some(v) => v.toString |
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} mkString("\n") |
} mkString("\n") |
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</lang> |
</lang> |
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