At the bottom of the header file are unrolled macros and the line that creates them. It's very similar to how lambdas are implemented in C++. No need to understand them. I am sure we will see issues over time that need to be fixed. Biggest issue for me is that they do compile for everyone.

1: the do while is a common trick to make the trailing semicolon in macros language compatible. That's all, nothing else.
2: yeah, possible, sure
3: sigh, even though I proof read my stuff :-/

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