Writing a ray tracer in Common Lisp is an excellent video that helps one understand how live editing aka REPL driven programming works with a Lisp such as CL th

Writing a ray tracer in Common Lisp is an excellent video that helps one understand how live editing aka REPL driven programming works with a Lisp such as CL that supports it from the ground up. [1] https://www.youtube.com/watch?v=N1oMRw04W3E https://www.youtube.com/watch?v=N1oMRw04W3E edit: fix typo