func SendJSON(c context.Context, clientID string, value interface{}) error {
	m, err := json.Marshal(value)
	if err != nil {
		return err
	}
	return Send(c, clientID, string(m))
}
func SendJSON(c context.Context, clientID string, value interface{}) error {
	m, err := json.Marshal(value)
	if err != nil {
		return err
	}
	return Send(c, clientID, string(m))
}
func SendJSON ( c context . Context , clientID string , value interface { } ) error { m , err := json . Marshal ( value ) if err != nil { return err } return Send ( c , clientID , string ( m ) ) }
// SendJSON is a helper function that sends a JSON-encoded value
// on the channel associated with clientID.
SendJSON is a helper function that sends a JSON - encoded value on the channel associated with clientID .