On Wed, Dec 05, 2001 at 10:43:14AM +0100, Sven Neuhaus wrote:
> Looks like "~" doesn't trigger a warning on undef.
>
> So
> ~$a ? $a ? 3 : 2 : 1
>
> will yield 3 for true, 2 for false, 1 for undef.
That's no good, repetition of the expression is a no-no.
Note that "$flag" may well be an expression, so repetition as in
the next, is not good:
defined $flag && !$flag
--
Michael G. Schwern <[EMAIL PROTECTED]> http://www.pobox.com/~schwern/
Perl Quality Assurance <[EMAIL PROTECTED]> Kwalitee Is Job One
But I wore the juice!
