atom/uuid.go (view raw)
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package atom import ( "crypto/rand" "fmt" ) type UUID [16]byte // Create a new uuid v4 func NewUUID() *UUID { u := &UUID{} _, err := rand.Read(u[:16]) if err != nil { panic(err) } u[8] = (u[8] | 0x80) & 0xBf u[6] = (u[6] | 0x40) & 0x4f return u } func (u *UUID) String() string { return fmt.Sprintf("%x-%x-%x-%x-%x", u[:4], u[4:6], u[6:8], u[8:10], u[10:]) } |