Re: [boost] [parameter] parameters<> and result_of

From: David Abrahams (dave_at_[hidden])
Date: 2006-09-27 17:12:25

"Eric Niebler" <eric_at_[hidden]> writes:

>> I'll have to get back to you on that one.  I don't think there's a
>> nice way, yet.
>
>
> Actually, I think there is. There is a nested template called 
> "argument_pack" that /seems/ to do the right thing, but it's 
> undocumented. And the function-call operators do not use it to declare 
> their return types, so it's anybody's guess whether they're always 
> equivalent.
>
> There's also a nested template called "bind", but it's not clear what it 
> is for, or how it differs from "argument_pack".

We're taking care of it.

>>> Another feature request: it would be nice if parameters<> were a
>>> valid MPL sequence that I could manipulate with MPL algorithms.
>> 
>> It already is an MPL sequence.
>
>
> No, it's not. An argument pack is an MPL sequence, but a
> parameters<> instantiation is not.

Oh, I see.  What would you use that capability for?

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com