Code Generation: The Lisp Way
summary
Compares Lisp-style macros to C++ template metaprogramming and argues macros are true compile-time code generation, demonstrates list-based backquote/unquote interpolation that avoids repeated evaluation in a C-like min macro, warns macros are not hygienic and uses gensym-style symbol manipulation to prevent name collisions, and describes an Open Networks library that grew from heavy preprocessor use, showing the approach is practical though hygiene needs careful handling.
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