My point is that if you're wrapping in a try-block, you should be throwing exceptions, even something like Error::OK or the like. In fact, I wouldn't even call them exceptions, really. They're more like signals within the same process. Just because we use them 99.999% of the time to indicate an abnormal situation doesn't mean that this is what they should be limited to ...
We are the carpenters and bricklayers of the Information Age.
Don't go borrowing trouble. For programmers, this means Worry only about what you need to implement.
Please remember that I'm crufty and crochety. All opinions are purely mine and all code is untested, unless otherwise specified.