LispForum

Hi, I'm getting a really really strange error with my lisp app, and I'm wondering if any of you has encountered anything like this before... I have a function called build that has as parameter a list. Now lets say I have two lists A and B. I'm using SBCL btw. If I do: (build A) ; I get the expected...

First of all thanks for the answers! They were very helpful. My knowledge of lisp isn't very vast, but let me give you an example of a function I'm using, and maybe you can tell me how I can improve it. ; Returns a list of values that exist in both l1 and l2. e.g: (inters '((1 2)(2 3)) '((1 4) (2 3)...

Hey, Are there any general performance tips, concerning list manipulation, that you can give me? I'm asking this because I'm doing a depth-first search in my application, and to generate the successores I do some list manipulations (nth, substitute, removes, etc). The problem is it's taking more tim...