Re: Saving match data

[Stefan Monnier <monnier@iro.umontreal.ca>]

> #+begin_src emacs-lisp
> (with-match-data data
>      (search-forward "test")
>    (do-this)
>    (maybe-change-match-data-here)
>    (do-that)
>    (use-match-data data
>       (use-the-match-data)))
> #+end_src

It would still be based on state, with the same risks and issues.
The idea of using

    (let ((data (new-search-forward "test")))
      ...
      (use-match-result data)
      ...)

is that the user is forced to pass `data` hence to explicitly say with
which search result to do the work.


        Stefan