Whilst recent versions of Perl do away with the memory problems of using map in a void context, it still seems strange to me to use map purely for its side effects. Particularly when for usually works just as well.

$count->{$_}++ for @a;

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In reply to Re^2: extract number of times a value appears in an array by davorg
in thread extract number of times a value appears in an array by Anonymous Monk

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