RE: What to use instead of find-if?

[Drew Adams]

> > There are no doubt lots of ways to do it. Here's one:
> > (defun my-find-if (pred xs)
> >   (catch 'my-found
> >     (dolist (x xs) (when (funcall pred x) (throw 'my-found x)))
> >     nil))
> 
> Ahah. That's neat! (And is indeed the semantics I had in mind when I
> wrote the original).
> 
> Now, this really isn't relevant to the original question, but 
> I was just wondering: what are the performance costs of (catch )
> in elisp? For example, should one think twice before using it in
> syntax highlighting code or the like?

Sorry, I can't answer that.
My guess is that it is very performant.

I know that I don't think twice about using it.
But then I don't think twice about a lot of things. ;-)