Ruby-style "each" in D?
Dicebot
public at dicebot.lv
Wed Mar 19 09:46:40 PDT 2014
On Wednesday, 19 March 2014 at 16:40:24 UTC, Andrei Alexandrescu
wrote:
> On 3/19/14, 9:09 AM, Dicebot wrote:
>> On Wednesday, 19 March 2014 at 16:04:16 UTC, Andrei
>> Alexandrescu wrote:
>>> tee is already being discussed -- Andrei
>>
>> On this topic, do we have something like "consume" in Phobos
>> to eagerly
>> iterate through the supplied range?
>
> A default "each" would do that.
>
> Andrei
No, I don't mean iterate with predicate. I mean /dev/null thing.
My point is that `range.each!predicate` is much better replaced
with `range.tap!predicate.consume`. It keeps general rule of
range stuff being lazy and only single exception to bail out of
it has very readable clear name.
One can argue that "consume" is same as proposed "each" with
no-op predicate but I think it is very important for readability
to keep exceptional behavior (eager consumption) separated from
utility behavior (tapping with a predicate).
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