12345678910111213141516171819202122232425 |
- // (C) Copyright John Maddock 2000.
- // Use, modification and distribution are subject to the
- // Boost Software License, Version 1.0. (See accompanying file
- // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- #include <boost/type_traits/is_void.hpp>
- #include <boost/mpl/if.hpp>
- #include <boost/static_assert.hpp>
- template <class T>
- struct if_test
- {
- typedef typename boost::mpl::if_<
- boost::is_void<T>,
- int, T>::type type;
- };
- if_test<void>::type t1 = 0;
- if_test<double>::type t2 = 0;
- int main()
- {
- return (int)(t1 + t2);
- }
|