21 lines
372 B
Go
21 lines
372 B
Go
package client
|
|
|
|
import (
|
|
"fmt"
|
|
"math/rand"
|
|
)
|
|
|
|
type ExtraGenerator func() string
|
|
|
|
func UuidV4Generator() ExtraGenerator {
|
|
return func() string {
|
|
var uuid [16]byte
|
|
rand.Read(uuid[:])
|
|
|
|
uuid[6] = (uuid[6] & 0x0f) | 0x40
|
|
uuid[8] = (uuid[8] & 0x3f) | 0x80
|
|
|
|
return fmt.Sprintf("%08x-%04x-%04x-%04x-%012x", uuid[:4], uuid[4:6], uuid[6:8], uuid[8:10], uuid[10:])
|
|
}
|
|
}
|