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Fix compile error on MSVC-10 and 11 due to no variadic templates.

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see http://thread.gmane.org/gmane.comp.lib.boost.devel/255086

Signed-off-by: Kohei Takahashi <flast@flast.jp>
This commit is contained in:
Kohei Takahashi
2014-10-30 19:44:48 +09:00
parent 0ffc0f04e3
commit c10b94472d
1 changed files with 8 additions and 3 deletions
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11
include/boost/fusion/support/detail/result_of.hpp
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@ -8,6 +8,11 @@
#define FUSION_RESULT_OF_10272014_0654
#include <boost/utility/result_of.hpp>
#if !(defined(BOOST_NO_CXX11_DECLTYPE) || defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES))
#include <boost/mpl/if.hpp>
#include <boost/mpl/or.hpp>
#include <boost/mpl/has_xxx.hpp>
#endif
namespace boost { namespace fusion { namespace detail
{
@ -16,7 +21,7 @@ namespace boost { namespace fusion { namespace detail
// low level code. So far this is used only in the fold algorithm. This will
// be removed once we overhaul fold.
#if defined(BOOST_NO_CXX11_DECLTYPE)
#if defined(BOOST_NO_CXX11_DECLTYPE) || defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
template <typename Sig>
struct result_of_with_decltype : boost::tr1_result_of<Sig> {};
@ -31,9 +36,9 @@ namespace boost { namespace fusion { namespace detail
template <typename F, typename... Args>
struct result_of_with_decltype<F(Args...)>
: mpl::if_<mpl::or_<has_result_type<F>, detail::has_result<F>>,
: mpl::if_<mpl::or_<has_result_type<F>, detail::has_result<F> >,
boost::tr1_result_of<F(Args...)>,
boost::detail::cpp0x_result_of<F(Args...)>>::type {};
boost::detail::cpp0x_result_of<F(Args...)> >::type {};
#endif