Re: Howto override a function only locally in elisp?

[Andreas Politz]

LanX <lanx.perl@googlemail.com> writes:

> Hi
>
> what's the best approach to replace a function only for another
> function?
>
> My use case is to replace calls to `message' with `tooltip-show'
> within some function in certain programming modes.
>
> But I don't want to copy and change the whole function, it would be
> sufficient to override locally any call to `message' with a `my-
> message' function without globally messing up message.
>
> Any idea? Perhaps with `defadvice'?
>
> Cheers
>   Rolf


(require 'cl)
(flet ((message (fmt &rest args)
         (tooltip-show (apply 'format fmt args))))
  (message "Hello World"))

-ap