If you run this:
package main
import (
"fmt"
"github.com/pborman/uuid"
)
func main() {
fmt.Println(uuid.NewUUID())
fmt.Println(uuid.NewUUID())
fmt.Println(uuid.NewUUID())
fmt.Println(uuid.NewUUID())
}
The output is this:
$ go run u.go
4c1bc17e-0d16-11e8-9789-68f72877eaca
4c1bc25d-0d16-11e8-9789-68f72877eaca
4c1bc28b-0d16-11e8-9789-68f72877eaca
4c1bc2b0-0d16-11e8-9789-68f72877eaca