On Mon, Feb 11, 2008, Amos Jeffries wrote:

> > It took me quite a while to get over the "goto is evil, never ever use it"
> > koolaid. But then, in C++, you should be using exceptions, not weird
> > flow control tricks. :)
> I've never fully subscribed to that generalisation. But the arguments made
> in its favour have made me think about the necessity of several constructs
> use in code.
>  In general I have found goto is largely useless. Where its most tempting
> is in badly designed code.
>  typedef has its place in C particularly for portability issues, but that
> is vastly reduced in C++. I've only seen the event/callback
> function-pointers as a required use for it nowadays. That only because
> none has shown me a better way to do function pointers than the way squid
> currently does them.

I'm pretty sure the async calls stuff has an implementation of this.
There's other ways - look at asio.sourceforge.net's implementation which
uses some Boost methods for creating 0, 1 and 2 argument callbacks
of varying types.


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