On Jul 29, Bob Showalter said:
>Bob Showalter wrote:
>> ...
>> A more efficient iterative approach using a numeric equality test
>> would be:
>>
>> sub checkNumber {
>> $_[0] == $_ && return 1 for @numbers;
>> return;
>> }
>>
>> This returns 1 for a match and undef for no match.
>
>Heck, you can even leave off the last "return" there. That will return 1 for
>a match and '' for no match (i.e. the result of the last failed == test),
>which are still Perl "true" and "false" values.
Actually, the return value will be '' from the end of the for() loop.
When a for() loop ends, Perl internally evaluates something, which returns
a value of "" as far as Perl's outsides are concerned, which signifies the
end of the for-loop's list.
--
Jeff "japhy" Pinyan [EMAIL PROTECTED] http://www.pobox.com/~japhy/
RPI Acacia brother #734 http://www.perlmonks.org/ http://www.cpan.org/
<stu> what does y/// stand for? <tenderpuss> why, yansliterate of course.
[ I'm looking for programming work. If you like my work, let me know. ]
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