in reply to Refactoring technique?

If the elements have no individual meaning, why name them at all? Make them unnamed array members. 

use Algorithm::Combinatorics ':all';

foreach (permutations([$x, $y, $z])) {
        doStuff($_) if $_->[0];
}

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Re^2: Refactoring technique?
by BrowserUk (Patriarch) on Apr 24, 2015 at 14:15 UTC

    That makes a lot of sense, but in context, may be rather harder to achieve than in your snippet.

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