Modify Lisp function without rewriting it? -

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I wrote a LisPF function in which there was an error. The first challenge was to look at the function again. The solution to that challenge is now, when I see what I have done, then I want to modify the contents of the defined function without having to re-write the whole thing?

As Lisp seems wise, there is a way to do this, I do not know what this is because I am new to language. Can it be done?

Looking at the question, I think that you have a strange setup. Writing your work on REPL Do not do this.

General setup should have an IDE (for example, sludge with Emacs) where you edit a source file, and then "send" top-level forms (such as function definitions) of REPL for.


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