Why can't we derive struct's? (Hansel & Gretel)

[Walter Bright]

On 12/21/2018 2:42 AM, Atila Neves wrote:
> I don't think any lisper has ever complained about Lisp macros - on the 
> contrary, it's considered one of Lisp's killer features. It's a shame they're 
> inextricably linked to the syntax (or lack thereof) and that nobody has yet 
> figured out a good macro system that doesn't depend on S-expressions.

Probably because Lisp is unusable without macros, sort of like how C and C++ are 
unusable without the preprocessor.

Lisp is a great language for its ideas, and is a fine language for research 
purposes. But somehow it just never catches on.