map { s/// } @array;
# ...
s/// for @array;
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Just because larry likes something is not a reason everyone should be following him (we should all be blindingly following Perl Best Practices instead ;-), but map in void context has no advantage over for, but does add an element of confusion (did the author mean to assign to a result array? did the author not know about for? am I reading this badly? let me go up one line and see if it's a multi line assignment statement).

Optimizing for readability is universal good style.