Function NewRandomFromReader

version4.go:47–56

NewRandomFromReader returns a UUID based on bytes read from a given io.Reader.

(r io.Reader)

// NewRandomFromReader returns a UUID based on bytes read from a given io.Reader.
func NewRandomFromReader(r io.Reader) (UUID, error) {
	var uuid UUID
	_, err := io.ReadFull(r, uuid[:])
	if err != nil {
		return Nil, err
	}
	uuid[6] = (uuid[6] & 0x0f) | 0x40 // Version 4
	uuid[8] = (uuid[8] & 0x3f) | 0x80 // Variant is 10
	return uuid, nil
}

func newRandomFromPool() (UUID, error) {
	var uuid UUID