https://github.com/rogerturner/scheme-macros/blob/main/examp... shows stepwise development of a trace-let [the `(example: (fn arg) => result)` forms are tests - see check-examples library]
https://github.com/rogerturner/scheme-macros/blob/main/examp... shows stepwise development of a trace-let [the `(example: (fn arg) => result)` forms are tests - see check-examples library]