text: #ifndef LIBCXX_UTILITY_H_
  #define LIBCXX_UTILITY_H_
  
  #include <type_traits>
  
  namespace std {
  
  template <class T>
  constexpr std::remove_reference_t<T>&& move(T&& t) noexcept {
    return static_cast<typename std::remove_reference<T>::type&&>(t);
  }
  
  }  // namespace std
  
  #endif  // LIBCXX_UTILITY_H_
  