cool a lisp clone. Good work. Could macros be used to add structs? How much code would this require? I don't feel like a language is real until you can associ

cool a lisp clone. Good work. Could macros be used to add structs? How much code would this require? I don't feel like a language is real until you can associate data. It's literally the first thing I do when I start any software project that's not a five line script