On one hand, neat. On the other hand, I think it's sad that so much time and brainpower is going on contriving ways to get bad tooling to do something, rather

On one hand, neat. On the other hand, I think it's sad that so much time and brainpower is going on contriving ways to get bad tooling to do something, rather than on the actual meat of the problem solving. You'd think that in 50 years somebody could have invented a better preprocessor, and save the need for all the while(0) and other trickery needed for macros.