1 /* 2 Copyright (c) Marshall Clow 2012-2012. 3 4 Distributed under the Boost Software License, Version 1.0. (See accompanying 5 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 6 7 For more information, see http://www.boost.org 8 9 Based on the StringRef implementation in LLVM (http://llvm.org) and 10 N3422 by Jeffrey Yasskin 11 http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3442.html 12 13 */ 14 15 #ifndef BOOST_STRING_REF_FWD_HPP 16 #define BOOST_STRING_REF_FWD_HPP 17 18 #include <boost/config.hpp> 19 #include <string> 20 21 namespace boost { 22 23 template<typename charT, typename traits = std::char_traits<charT> > class basic_string_ref; 24 typedef basic_string_ref<char, std::char_traits<char> > string_ref; 25 typedef basic_string_ref<wchar_t, std::char_traits<wchar_t> > wstring_ref; 26 27 #ifndef BOOST_NO_CXX11_CHAR16_T 28 typedef basic_string_ref<char16_t, std::char_traits<char16_t> > u16string_ref; 29 #endif 30 31 #ifndef BOOST_NO_CXX11_CHAR32_T 32 typedef basic_string_ref<char32_t, std::char_traits<char32_t> > u32string_ref; 33 #endif 34 35 } 36 37 #endif 38