Çözüldü Client C++17 Warning

namespace boost {
  namespace unordered {
    namespace detail {

      BOOST_UNORDERED_DEFAULT_TYPE_TMPLT(is_always_equal);------1452.satır

      template <typename Alloc>
      struct allocator_traits : std::allocator_traits<Alloc>
      {
        // As is_always_equal was introduced in C++17, std::allocator_traits
        // doesn't always have it. So use it when available, implement it
        // ourselves when not. Would be simpler not to bother with
        // std::allocator_traits, but I feel like I should try to use
        // it where possible.
        typedef BOOST_UNORDERED_DEFAULT_TYPE(std::allocator_traits<Alloc>,
          is_always_equal,
          BOOST_UNORDERED_DEFAULT_TYPE(Alloc, is_always_equal,
            typename boost::is_empty<Alloc>::type)) is_always_equal;
      };

      template <typename Alloc, typename T> struct rebind_wrap
      {
        typedef typename std::allocator_traits<Alloc>::template rebind_alloc<T>
          type;
      };
    }
  }
}