I love that lambda is just another macro in Emacs lisp: https://github.com/Wilfred/remacs/blob/master/lisp/subr.el#L95-L119 -- you could have defined it yourself!
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Today in cursed C code:
void foo(int32_t int32_t, int32_t bar);
Since C puts identifiers and typedefs in the same namespace, this code just produces a confusing compile error about the type of bar!
(This occurred in some real code after macro expansion.)
Rust macro errors are significantly improving:
@friend It seems like people find Zig comptime easier to reason about, hence the interest in introducing it to other languages.
That seems worth something. I still prefer Lisp/Clojure style macros over safer Scheme/Rust macros. Lisp macro implementations are closer to typical code.