Editing programs “while they are running”? Why?

Question

I\'ve been getting more into Lisp and Lispy languages lately, and I\'m finding them quite powerful.

One thing I\'ve been reading all over the net is that a benefit o

Answer 1

Another good thing apart from modifying the program on the fly without having to restart everything (having done it for decades doesn't mean it is the best thing, right?), is that you get to inspect your program in its current state and being able to figure out what's going on.