[boost] Re: [type_traits] function_traits and functors

From: Jonathan Turkanis (technews_at_[hidden])
Date: 2004-09-17 15:32:56

"Tobias Schwinger" <tschwinger_at_[hidden]> wrote in message
news:cieokh$u4a$1_at_sea.gmane.org...
> Thorsten Ottosen wrote:
> > Hi,
> >
> > What is the reason that function_traits is not defined for function objects?
> > Is it impossible?
> >
>
> Hi Thorsten,
>
> Some weeks ago I uploaded a first proposal for an extension to the Type
> Traits library capable of handling (all kinds of) function pointers.
>
> These could be applied to a (pointer to) the operator() member of a
> functor type, if it's not a member template (as Doug mentioned earlier).
>
> So it does work for for types of the STL functor templates or alike.

> In case you are using it, playing with it or just looking at it, any
> comments are welcome !

I'm interested, and will try to look at it eventually, but am too busy now. Just
a quick question: does your proposal use template template parameters in an
essential way, or was that just part of the snipped example? If so, it will
likely impede mpl interoperability.

Jonathan