Thank you Paul, On Tuesday, May 26, 2020 at 7:37:34 AM UTC+2, Paul Jolly wrote: > > > Why the output of this code is nondeterministic? > > See https://golang.org/ref/spec#For_statements, specifically the "For > statements with range clause" subheading, specifically this bullet: > > > 3. The iteration order over maps is not specified and is not guaranteed > to be the same from one iteration to the next. If a map entry that has not > yet been reached is removed during iteration, the corresponding iteration > value will not be produced. If a map entry is 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. >
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