When I was a callow young programmer learning the ropes and enjoying the sheer power of the C language, I got a bit carried away with the macro pre-processor’s ability to let you redefine the language.

As much fun as that is, and as much as it can make your source code look cool, it’s a really bad idea. At some point the folks in comp.lang.c read me the riot act about it, and they were right.

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