Re: [boost] Re: Work in progress list? And how about a singleton?

From: Thomas Matelich (toms-mailing-lists_at_[hidden])
Date: 2001-11-15 18:14:16

Peter Dimov wrote:

> > In
> > that respect, this code clearly communicates that "A isa singleton":
> >
> > class A : public singleton<A> {
> >   /* ... */
> > };
>
> Is this a library interface? If it is, why do you need the class name at
> all? You know that there is a single instance of A.
>
> Instead of
>
> class A: public /* public? */ singleton<A>
> {
>     void f();
> };
>
> A::instance().f();
>
> why not simply
>
> namespace A
> {
>     void f();
> }
>
> f();

Funny you should mention this.  We (my coworkers and I) have been pretty bad about
using too many singletons, and I recently rewrote one of them like that.  I just might
be hooked.  I'm getting really tired of A::Instance() especially since A is usually
something like ProcedureManager.

--
Thomas O Matelich
Senior Software Designer
Zetec, Inc.
matelich_at_[hidden]
tmatelich_at_[hidden]