Re: [boost] Interest for a perl6-like-junctions-class?

From: Rob Stewart (stewart_at_[hidden])
Date: 2005-08-05 15:18:59

From: David Abrahams <dave_at_[hidden]>
> Rob Stewart <stewart_at_[hidden]> writes:
> > From: David Abrahams <dave_at_[hidden]>
> >> Rob Stewart <stewart_at_[hidden]> writes:
> >> 
> >> >    all_of(a)(frobnicates, any_of(b))
> >> >
> >> I started there, but the placement of parens seems to arbitrary and
> >> unbalanced.  Also, the whole point of infix is to get rid of those.
> >
> > So you think this is better?
> >
> >> >>   all_of(a)._,frobnicates, any_of(b)
> 
> Yes, but not as nice visually as 
> 
>   all_of(a)._ <frobnicates> any_of(b)

Maybe.

> > Is the _ member needed?
> 
> It is if you're going to support
> 
>    all_of(a) , all_of(b)
> 
> just the same way as you'd support
> 
>    all_of(a) > all_of(b)

Why would we need that?  I don't see a use case for it.

> If you give up support for the comma operator, you can use it for this
> purpose.

I think that's viable.

> > What about this:
> >
> >    all_of(a)@frobnicates_at_any_of(b)
> >
> > That only needs, using the type names from my library,
> 
> Needs what?  A new language that supports the @ character?

Surely you understood I was using "@" as a placeholder for any
overloadable, binary operator.

-- 
Rob Stewart                           stewart_at_[hidden]
Software Engineer                     http://www.sig.com
Susquehanna International Group, LLP  using std::disclaimer;