note
Mr. Muskrat
<p>"Map goes through the trouble of creating and returning a result for you."</p>
<p>That has not been true for a while now. "<tt>map</tt> in void context is no longer expensive. <tt>map</tt> is now context aware, and will not construct a list if called in void context." -- [http://perldoc.perl.org/perl581delta.html#Miscellaneous-Enhancements|perl581delta]</p>
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