Function: htmlize-memoize

htmlize-memoize is a macro defined in htmlize.el.

Signature

(htmlize-memoize KEY GENERATOR)

Documentation

Return the value of GENERATOR, memoized as KEY.

That means that GENERATOR will be evaluated and returned the first time it's called with the same value of KEY. All other times, the cached
(memoized) value will be returned.

Source Code

;; Defined in ~/.emacs.d/elpa/htmlize-20250724.1703/htmlize.el
(defmacro htmlize-memoize (key generator)
  "Return the value of GENERATOR, memoized as KEY.
That means that GENERATOR will be evaluated and returned the first time
it's called with the same value of KEY.  All other times, the cached
\(memoized) value will be returned."
  (let ((value (gensym)))
    `(let ((,value (gethash ,key htmlize-memoization-table)))
       (unless ,value
         (setq ,value ,generator)
         (setf (gethash ,key htmlize-memoization-table) ,value))
       ,value)))