I did something very similar to the “preprocessor” version of this back in 2001 for Microsoft application crash reporting (the problem then being upload size, n

I did something very similar to the “preprocessor” version of this back in 2001 for Microsoft application crash reporting (the problem then being upload size, not so much logging overhead). It’s very cool to see how you can do the whole thing with constexpr now. As I recall, people really didn’t like using the preprocessor!