Subject: Re: [Boost-users] [phoenix] v2 to v3 transition of extension mechanism
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2011-04-14 10:02:25
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AMDG
On 04/14/2011 12:45 AM, Thomas Heller wrote:
>
> Ok, this doesn't work because you are trying to value initialize a reference.
> A small workaround:
>
> namespace detail
> {
> template <typename T> T make();
> }
>
> // ...
> template<class Sig> struct result;
> template<class This, class Arg, class Cont>
> struct result<This(Arg, Cont)>{
> typedef
> decltype(cos(eval(detail::make<Arg>(),
> detail::make<Cont>())))
> type;
> };
> // ...
>
Or use boost::declval
(http://www.boost.org/libs/utility/doc/html/declval.html)
In Christ,
Steven Watanabe
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