map returns a list. It should be used when you want the list being generated as output.

do{...} for should be used when you just want to do things in a loop.

Since you have your statement in void context, you obviously don't want any output. Thus, the for loop is what you want.

In reply to Re: map {} list or do {} for list? by SuicideJunkie
in thread map {} list or do {} for list? by Random_Walk

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