Martin B?hr wrote:
>On Thu, Jan 15, 2009 at 11:35:05AM +0100, Martin Stjernholm wrote:
>> > In Pike 7.8, what is supposed to happen when you use an iterator on
>> > a mapping, and then while iterating you delete entries from the mapping?
>> If the mapping changes while being iterated, the iterator might miss
>> elements, but it should not visit the same element more than once, and
>> if an element is present during the whole iteration then it should not
>> be missed. (Value changes in elements are irrelevant.)
>so if elements are added while the mapping being iterated,
>they might be missed, but deleting one element can't cause another
>element to be missed. (because obviously it is present for the whole
>iteration)
>so it is only unclear what happens to new elements.
>(would there be any benefit to change that?)
This behaviour is perfect. It is exactly what I would expect, and therefore
there would be zero benefit to me to change that behaviour.
--
Sincerely,
Stephen R. van den Berg.
The ultimate Darwin Award winner:
Going first in a Russian roulette game with a normal gun (no revolver).
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