[maccard]

Sorry I missed this.

> Better would be to use a library such as Boost Units, rather than naked aliases.

Completely agreed.

> void* is definitely problematic, and I kill it every chance I get, but it persists in a lot of code due to C libs and unfortunate legacy dependencies.

I've not seen it (thankfully) in anything other than actual C code or graphics code, but whenever I do see it, I make a mental note of "here be dragons" and make sure to take extra care around there... It's not ideal but it's life..