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Postings from October 2005
On Sat, Oct 01, 2005 at 02:22:01PM -0600, Luke Palmer wrote:
> And the more general form was:
>
> $sum = reduce { $^a + $^b } @items;
>
> Yes, it is called reduce, because "foldl" is a miserable name.
So, the target of running a loop with both the current
and previous elements accessible could be written as either:
reduce :identity undef
{ code using $^prev and $^cur ... ; $^cur }
@items;
or:
reduce :identity @items[0]
{ code using $^prev and $^cur ... ; $^cur }
@items[1...];
--
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