text: //
  // Copyright yutopp 2013 - .
  //
  // Distributed under 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)
  //
  
  #pragma once
  
  #include "detail/base_type.hpp"
  #include "expression_def.ipp"
  