Nov 21, 2024 · From CLHS Returns true if object is of type list; otherwise, returns false. and the definition of the type list is: The types cons and null form an exhaustive partition of the type list. Since …

***Eval error*** Wrong type argument: listp, "b" Why does apply take all arguments from the third position as arguments meant for 'func'?

Apr 13, 2024 · It's likely saying listp, not lisp. Bisect your init file, to find the culprit. Start Emacs with emacs -Q no init file to test.

Feb 16, 2020 · Is there a standard function in Common Lisp that can check against improper lists (i.e. circular and dotted lists) without signaling an error? list-length can check against circular lists (it retur...

May 23, 2017 · On GNU Clisp 2.49, (listp nil) returns true. Could someone explain? Searching found this question with an answer that indicated that the expression should be returning NIL.

Dec 19, 2013 · 3 I am unable to access remote files in my usual way: C-x C-f [server]:[path][file] and am thrown this error: Wrong Type Argument: listp, [[server]:[path][file] I'm not even sure how to debug …

I could swear I've seen the function (or method) that takes a list, like this [3, 7, 19] and makes it into iterable list of tuples, like so: [(0,3), (1,7), (2,19)] to use it instead of: for i in r...

Oct 28, 2013 · I'm not going to give you the code, though I've written it. I will tell you what you've done wrong, though: Check the line (if null l). You're missing a paren. Are you sure and is comparator you …

May 28, 2021 · thanks for your response, I was using '-headless' flag already and tried with those flags you mentioned, but still facing the same issue. I think, I should try docker approach. Is there any …

Mar 29, 2017 · My group and I are trying to create a list of cons lists. It might look something like this ((2 100032) (4 32413) (6 2131251) ... (232 12)) Unfortunately, we keep getting a "wrong type argument". It