Re: how to make a deletion slot?

[Paul Davis <paul linuxaudiosystems com>]

On Mon, 2006-10-30 at 15:42 -0500, Paul Davis wrote:
> On Mon, 2006-10-30 at 01:00 +0200, Paul Pogonyshev wrote:
> > Hi,
> > 
> > Is there a way to make a slot that calls `delete arg' on its argument
> > pointer (of a known type.)  It is trivial to write a one-line function
> > for it, but maybe there is a standard one ready for this?
> 
> its not as trivial as you might think, because the lifetime of the
> object during event processing can be important. generally, i like to
> use a one-shot idler handler, combined with a template function:
> 
> template<class T> bool delete_when_idle (T* obj) {
> 	delete obj;

	  return false;

(rather important)

> }
> 
>     ... signal_idle().connect (bind
> (ptr_fun(delete_when_idle<TypeOfObject>), obj));
> 
> 
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