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3rdparty/boost_1_81_0/boost/container/pmr/string.hpp 1.39 KB
63e88f80   Hu Chunming   提交三方库
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  //////////////////////////////////////////////////////////////////////////////
  //
  // (C) Copyright Ion Gaztanaga 2015-2015. 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)
  //
  // See http://www.boost.org/libs/container for documentation.
  //
  //////////////////////////////////////////////////////////////////////////////
  
  #ifndef BOOST_CONTAINER_PMR_STRING_HPP
  #define BOOST_CONTAINER_PMR_STRING_HPP
  
  #if defined (_MSC_VER)
  #  pragma once 
  #endif
  
  #include <boost/container/string.hpp>
  #include <boost/container/pmr/polymorphic_allocator.hpp>
  
  namespace boost {
  namespace container {
  namespace pmr {
  
  #if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
  
  template <class CharT, class Traits = std::char_traits<CharT>  >
  using basic_string =
     boost::container::basic_string<CharT, Traits, polymorphic_allocator<CharT> >;
  
  #endif
  
  //! A portable metafunction to obtain a basic_string
  //! that uses a polymorphic allocator
  template <class CharT, class Traits = std::char_traits<CharT> >
  struct basic_string_of
  {
     typedef boost::container::basic_string
        <CharT, Traits, polymorphic_allocator<CharT> > type;
  };
  
  typedef basic_string_of<char>::type    string;
  
  typedef basic_string_of<wchar_t>::type wstring;
  
  }  //namespace pmr {
  }  //namespace container {
  }  //namespace boost {
  
  #endif   //BOOST_CONTAINER_PMR_STRING_HPP