The core List::Util first function is like grep but returns the first element found: 
use List::Util qw(first);
for my $n (0 .. 267) {
    print "$n\n" if first {$n == $_} 40, 47, 76;
}

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and so should be faster for very large lists.

In reply to Re^2: my 'if' condition doesn't work, why? by eyepopslikeamosquito
in thread my 'if' condition doesn't work, why? by perltux

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