I screwed something up the other day and figured it had enough meat on its bones to turn into a story. So, okay, here we go. For a while now, I've been doing some "wrapping" of return values in my code. It's C++ stuff, but it's something that's been inspired by what some of my friends have been doing with Rust. It's where instead of just returning a string from a function that might fail, I return something else that enforces some checks. Basically, I'm not allowed to call .value() or .error(...