return h0 < h1
}

func (c *Connection) send(ctx context.Context, msg []byte) error {
	select {
	case <-ctx.Done():
		// Returning error here is too noisy.
		return nil
	case c.outQueue <- msg:
		return nil
	}
}

// queueMsg queues a message, with an optional payload.
// sender should not reference msg.Payload
func (c *Connection) queueMsg(msg message, payload sender) error {
	// Add baseflags.

	if !ok {
		c.sendAlert(alertUnexpectedMessage)
		return unexpectedMessageError(shd, msg)
	}

	// If the server requested a certificate then we have to send a
	// Certificate message, even if it's empty because we don't have a
	// certificate to send.
	if certRequested {
		certMsg = new(certificateMsg)
		certMsg.certificates = chainToSend.Certificate