go-tdlib/client/extra.go
2018-10-23 15:38:10 +03:00

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:])
}
}