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proposal: add func uuid.Compare(a, b UUID) int #152
Comments
If it doesn't exsit, adding
|
@ayang64 For equality it just is A @it512 Is there motivation for |
@pborman - d'oh! thank you. i didn't consider that while i was typing. |
sort and search package main
import (
"bytes"
"log"
"slices"
"github.com/google/uuid"
)
func Compare(a, b uuid.UUID) int {
return bytes.Compare(a[:], b[:])
}
var uuids = []uuid.UUID{uuid.Max, uuid.Nil, uuid.New(), uuid.New()}
func main() {
slices.SortFunc(uuids, Compare)
log.Println(uuids)
i, _ := slices.BinarySearchFunc(uuids, uuid.Max, Compare)
log.Println(i)
log.Println(uuids[i])
} output 2024/06/30 22:36:00 [00000000-0000-0000-0000-000000000000 c0ad65fa-53a0-44e6-b605-95b4b83d2481 f9b73b88-da50-480b-acad-f41c820b57c7 ffffffff-ffff-ffff-ffff-ffffffffffff] |
uuid is an ordered type, but Array is not supported operation < >
recommended to provide a function to support comparison operations
maybe
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