Cakelisp

TLDR: it’s sort of like c with sexprs and lispy macros

Better link: https://macoy.me/blog/programming/CakelispIntro

I tried this out briefly in the past. It was like having syntax tree macros in C. I found it more ergonomic than the C preprocessor (assuming you like s-expressions), but I prefer standard tooling (for its ubiquity).

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