Re: [boost] bind and extern "C"

From: Dirk Gerrits (dirkg_at_[hidden])
Date: 2002-06-04 14:02:56

----- Original Message ----- 
From: "Peter Dimov" <pdimov_at_[hidden]>

> Apologies for the highly compressed writing style.
> 
> What I meant was that you can declare a pointer to an extern "C" function
> using a typedef:
> 
> extern "C"
> {
>     typedef void (*pf) ();
> }
> 
> and then use this pointer as an argument:
> 
> void g(pf f); // 'g' is not extern "C" itself
> 
> but you can't do
> 
> void g(extern "C" void (*f) ());
> 
> Since bind uses overloads of the form
> 
> template<class R> ... bind(R (*f) ());
> 
> the typedef trick doesn't work.
> 
> > > but we don't have typedef templates, alas.
> >
> > There's a workaround which mimics typedef templates. Can't this be used
> > here?
> 
> Unfortunately not.

Ah I understand now. An unfortunate state of affairs. :(

Dirk Gerrits