move_if_noexcept.hpp

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#ifndef SILICIUM_MOVE_IF_NOEXCEPT_HPP
#define SILICIUM_MOVE_IF_NOEXCEPT_HPP

#include <silicium/config.hpp>
#include <utility>

namespace Si
{
#if defined(__GNUC__) && (((__GNUC__ * 100) + __GNUC_MINOR__) >= 407) || defined(__clang__) || defined(_MSC_VER)
    using std::move_if_noexcept;
#else
    template <class T, class Result = typename std::conditional<
        !Si::is_nothrow_move_constructible<T>::value && Si::is_copy_constructible<T>::value,
        const T &,
        T &&
    >::type>
    BOOST_CONSTEXPR Result move_if_noexcept(T &x)
    {
        return static_cast<Result>(x);
    }
#endif
}

#endif