Function: completion-last-use-time
completion-last-use-time is a macro defined in completion.el.gz.
Signature
(completion-last-use-time COMPLETION-ENTRY)
Source Code
;; Defined in /usr/src/emacs/lisp/completion.el.gz
(defmacro completion-last-use-time (completion-entry)
;; "The time it was last used. In hours since origin. Used to decide
;; whether to save it. t if one should always save it."
(list 'nth 2 completion-entry))