Do you know where your variables are? PerlMonks

### The simplest way

by TheDamian (Priest)
 on Apr 13, 2003 at 00:25 UTC ( #250099=note: print w/replies, xml ) Need Help??

in reply to Making a match

Previous respondents have suggested efficient ways for various circumstances. As for the simplest way:
    use Quantum::Superpositions;

if (\$x == any(@list)) {
...
}
[download]

Note that the latest release of Q::S (just uploaded to the CPAN last week) is iterator-based and therefore much more efficient that previous versions. We have Steven Lembark to thank for that.

Note too that, whilst the performance of the grep- and hash-based solutions may improve slightly over time, the any solution will continue to improve significantly with future releases of Quantum::Superpositions, then with the new Perl6::Junctions module, and ultimately with the availability of any as a built-in feature of Perl 6.

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