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From: Jonathan Turkanis (technews_at_[hidden])
Date: 2005-02-08 14:09:25

Joel de Guzman wrote:
> Hi,
> I find the interface:
> function_traits<F>::arity
> function_traits<F>::result_type
> function_traits<F>::argN_type
> (especially the last) awkward in TMP code.
> In the interest of not having metafunction blobs, I'd suggest
> the interface:
> function_arity<F>::value
> function_result<F>::type
> function_arg_c<N, F>::type
> function_arg<mpl::int_<N>, F>::type
> In particular, I need the function_arg(_c) metafunctions.
> It is very awkward to get the Nth function argument, given a
> constant N.

Tobias Swinger is working on an updated version of function traits.

The interface is documented here (but my implementation is naive):


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