Re: [boost] function (object) return and argument metafunctions?

From: Douglas Paul Gregor (gregod_at_[hidden])
Date: 2004-01-30 16:27:08

On Fri, 30 Jan 2004, David Abrahams wrote:
>
> I know we've discussed this in the past, but did we ever settle on an
> interface for deducing the return and parameter types of function
> (object)s?  Doug G.'s result_of<F(a,b)> template works for return
> types, but it's not very portable and is not even in Boost proper
> AFAIK.

I've been meaning to propose it for Boost (fast track? hmmmm), but we'll
have to have some wrapper for braindead compilers without any partial
specialization.

>  Many function objects and all function pointers have specific
> (non-templated) parameter types, and it would be extremely valuable
> to be able to deduce those as well.

Well, we could extend function_traits a bit...

        Doug