John W. Krahn wrote:
> Mark Anderson wrote:
> >
> > B) You should NEVER use map in a void context. map works very hard
> > to build up it's return value, so there should be an assignment
> > (=) operator to the left of your map call almost always, otherwise
> > all of that work is wasted.
>
> I would never say NEVER as there are some situations where it may be
> appropriate, just like there are some situations where goto is
> appropriate.
Sure, but I can't for the moment think of any difference between
foreach (LIST) BLOCK
or
EXPRESSION foreach LIST
and
map BLOCK LIST
or
map EXPRESSION, LIST
in void context. Any thoughts?
Rob
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