A slightly more efficient solution (see the discussion below) would use the standard List::Util::first function: 
if (defined first { $x == $_ } 1, 3, 7) { ... }

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Note that it is necessary to use defined(), as first() returns the first matching element (which may be zero), not a list.

In reply to Re^2: writing perl function like sql IN by eserte
in thread writing perl function like sql IN by JAMBOID

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