bug#75023: 31.0.50; Warning: Unused lexical variable ‘max-tokens’ -- while used in function

[Stefan Kangas <stefankangas@gmail.com>]

tags 75023 + moreinfo
thanks

Jean Louis <bugs@gnu.support> writes:

> (defun rcd-llm-db (prompt &optional memory rcd-llm-model temperature max-tokens top-p stream)
>   "Send PROMPT to API as decided by the database.
>
> Optional MEMORY, RCD-LLM-MODEL, TEMPERATURE, MAX-TOKENS, TOP-P, and STREAM can be used."
>   (let ((rcd-llm-model-id (rcd-db-users-defaults "llmmodels")))
>     (cond ((not rcd-llm-model-id) (rcd-warning-message "Did not find default user's LLM model. Do `M-x rcd-my-defaults' to set it."))
> 	  (t (let* ((rcd-llm-model (rcd-db-get-entry "llmmodels" "llmmodels_name" rcd-llm-model-id rcd-db))
> 		    (temperature (or temperature (rcd-db-get-entry "llmmodels" "llmmodels_temperature" rcd-llm-model-id rcd-db)))
> 		    (max-tokens (or max-tokens (rcd-db-get-entry "llmmodels" "llmmodels_maxtokens" rcd-llm-model-id rcd-db)))
> 		    (top-p (or top-p (rcd-db-get-entry "llmmodels" "llmmodels_topp" rcd-llm-model-id rcd-db)))
> 		    (llm-endpoint-id (rcd-db-get-entry "llmmodels" "llmmodels_llmendpoints" rcd-llm-model-id rcd-db))
> 		    (llm-endpoint (rcd-db-get-entry "llmendpoints" "llmendpoints_name" llm-endpoint-id rcd-db))
> 		    (llm-provider-id (rcd-db-get-entry "llmendpoints" "llmendpoints_llmproviders" llm-endpoint-id rcd-db))
> 		    (api-key (rcd-db-get-entry "llmproviders" "llmproviders_apikey" llm-provider-id rcd-db))
> 		    (authorization (concat "Bearer " api-key))
> 		    (stream (if stream t :json-false))
> 		    (url-request-method "POST")
> 		    (url-request-extra-headers
> 		     `(("Content-Type" . "application/json")
> 		       ("Authorization" . ,authorization)))
> 		    (url-request-data
> 		     (encode-coding-string
> 		      (setq rcd-llm-last-json
> 			    (json-encode
> 			     `((model . ,rcd-llm-model)
> 			       (messages . [((role . "user") (content . ,prompt))])
> 			       (temperature . ,temperature)
> 			       (max_tokens . ,max-tokens)
> 			       (top_p . ,top-p)
> 			       (stream . ,stream))))
> 		      'utf-8))
> 		    (buffer (url-retrieve-synchronously llm-endpoint)))
> 	       (rcd-llm-response buffer))))))
>
>
> in that above function I am using ,max-tokens, but with interpolation.
>
> Though, byte compiler gives warning:
>
> Unused lexical variable ‘max-tokens’ -- while used in function

Could you please send a smaller example that reproduces the bug?