Two questions about forEach
forax at univ-mlv.fr
Thu Aug 9 05:46:08 PDT 2012
On 08/09/2012 02:30 PM, Gregg Wonderly wrote:
> On 8/9/2012 2:22 AM, Mike Duigou wrote:
>> Does every item get refreshed in order to complete findFirst? Do you really
>> want findFirst to inspect every element? The semantics and efficiency are
> Yes, but I still really feel that "guessing" and "optimizing" how efficiency
> will be achieved, before we've had this in the wild, is completely premature.
> I know that this feels, right now, like a lazy programming style, which then
> becomes an inefficient run time execution. But, do we really want to set, in
> stone, that foreach, can't return the stream?
> Gregg Wonderly
It's part of the design to segregate lazy and eager operations and
these choices are (or will be) reflected in the doc of the API.
So the question is more do we need a lazy dual of forEach (tap as
suggested by Craig).
Nonetheless, forEach is and will stay eager.
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