How to convert Q_ENUM to QString for QT > 5.11 most efficient way?

Question

I read several advices how to get an actual QString from a Q_ENUM value.

Below are 3 possible ways, I came up with, that are compilable constru

Answer 1

Another, more elegant way, is by using QVariant's toString() method:

QString errStr = QVariant::fromValue(error).toString();
ui->statusBar->showMessage("Error occured: " + errStr);