A pseudorandom UUID implementation using Go's crypto/rand

pseudorandom_uuid.go

package main

import (
    "crypto/rand"
    "fmt"
)

func main() {

    b := make([]byte, 16)
    _, err := rand.Read(b)
    if err != nil {
        fmt.Println("Error: ", err)
        return
    }

    uuid := fmt.Sprintf("%X-%X-%X-%X-%X", b[0:4], b[4:6], b[6:8], b[8:10], b[10:])

    fmt.Printf("The UUID: %v", uuid)
}