sort.Slice(s, func(i, j int) bool { return i > j })
You are comparing the indexes and not the values
-Eric
http://www.google.com/profiles/eric.hubbard
On Tue, Dec 6, 2022 at 6:45 PM Andrew Harris <harris...@spu.edu> wrote:
> Subtly:
> return s[i] > s[j]
>
> Is the right sort func
>
> I think it'd be recommended to look at the generics slices package, which
> also has a sort
> On Tuesday, December 6, 2022 at 6:39:29 PM UTC-8 hey...@gmail.com wrote:
>
>> Hi,
>>
>> I have this very simple sorting code:
>>
>> s := make([]int, 0, 100)
>> for i := 1; i <= 20; i++ {
>> s = append(s, i)
>> }
>> sort.Slice(s, func(i, j int) bool { return i > j })
>> log.Print(s)
>>
>> I expect it to print numbers in reverse order, since items with larger
>> index numbers should be at the front. However, at lease in go1.19.3, it
>> prints
>>
>> [9 1 8 5 16 3 20 2 10 7 12 13 14 15 6 4 19 18 17 11]
>>
>> I guess I must have misunderstood how the sort package works, but
>> rereading sort's doc multiple time doesn't help answer the question.
>>
>> Could anyone shed some light?
>>
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