On Tuesday, May 2, 2017 at 10:07:11 PM UTC+8, Keith Randall wrote: > > Yes, all keys present in the map at the start of iteration, that aren't > deleted during iteration, will be returned during iteration. >
Thanks for the clarification. > > On Monday, May 1, 2017 at 4:51:56 AM UTC-4, T L wrote: >> >> >> >> 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> 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? >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "golang-nuts" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to golang-nuts...@googlegroups.com. >>>> For more options, visit https://groups.google.com/d/optout. >>>> >>> >>> -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
