Select function (with signature help) from NL using Codex

Summary I create a handy function to suggest functions along with signature help, using Codex. elisp 1 2 3 4 5 6 7 (defun pen-select-function-from-nl (use-case) (interactive (list (read-string "pen-select-function-from-nl use-case: "))) (let* ((lang ;; (pen-detect-language-ask) (read-string-hist "pen-select-function-from-nl lang: ")) (funs (pf-find-a-function-given-a-use-case/2 lang use-case :no-select-result t)) (sigs (pf-get-the-signatures-for-a-list-of-functions/2 lang (list2str funs) :no-se...