On Monday, May 1, 2017 at 3:56:51 PM UTC+8, Paul Jolly wrote:
>
> I think the part of the spec you're after is under the heading:
> https://golang.org/ref/spec#For_statements, specifically the sub-heading
> of that link "For statements with range clause", specifically point 3 in
> the enumerated list:
>
> *The iteration order over maps is not specified and is not guaranteed to
>> be the same from one iteration to the next. If map entries that have not
>> yet been reached are removed during iteration, the corresponding iteration
>> values will not be produced. If map entries are created during iteration,
>> that entry may be produced during the iteration or may be skipped. The
>> choice may vary for each entry created and from one iteration to the next.
>> If the map is nil, the number of iterations is 0.*
>
>
>
>
>
The guarantee I need is *every map entries created before the iteration
will be reached if it is not removed even if some entries are removed in
the iteration*.
Looks this is silly. :) The answer should be yes I think.
>
> On 1 May 2017 at 08:51, T L <tapi...@gmail.com <javascript:>> wrote:
>
>>
>>
>> On Monday, May 1, 2017 at 3:50:11 PM UTC+8, T L wrote:
>>>
>>> for example
>>>
>>> for k, v := range m {
>>> if SatisfySomeCondition(k, v) {
>>> delete(m, k)
>>> }
>>> }
>>>
>>> will the above iteration guarantee to delete all k-v pairs from m?
>>>
>>
>> will the above iteration guarantee to delete all k-v pairs satisfying a
>> condition from m?
>>
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>
>
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