Re: [Emacs-diffs] master 1758951: lisp/let-alist.el (let-alist): Evaluate `alist' only once.

[Stefan Monnier]

> +  (let ((var (gensym "let-alist")))
> +    `(let ((,var ,alist)

You can use `macroexp-let2' for that (with the extra benefit that it
will skip the `let' if `alist' is already a trivial expression such as
a simple variable).


        Stefan