>Replace
>
> EVIL: map { some;block;of;code;that;changes;$_ } @some_array;
>
>with
>
> GOOD: for (@some_array) { some;block;of;code;that;changes;$_ }
I guess I don't get it. Map returns a value and I ignore it; so what?
What side effects does this have? Which one's faster? I like to avoid
obvious loops when possible because I perceive them as slow, so I often use
map, and rarely (actually, to date, never) care about the return value. If
there's no savings then I guess it doesn't matter. But what makes it bad?
Peter
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