| // (C) Copyright Beman Dawes 2008 |
| |
| // Use, modification and distribution are subject to 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/config for more information. |
| |
| // MACRO: BOOST_NO_CXX11_UNICODE_LITERALS |
| // TITLE: C++0x unicode literals unavailable |
| // DESCRIPTION: The compiler does not support C++0x Unicode literals (N2442) |
| |
| namespace boost_no_cxx11_unicode_literals { |
| |
| template <class CharT> |
| void quiet_warning(const CharT*){} |
| |
| int test() |
| { |
| #if defined(__cpp_char8_type) || defined(__cpp_char8_t) |
| // The change to char8_t in C++20 is a breaking change to the std: |
| const char8_t* c8 = u8""; |
| #else |
| const char* c8 = u8""; |
| #endif |
| const char16_t* c16 = u""; |
| const char32_t* c32 = U""; |
| quiet_warning(c8); |
| quiet_warning(c16); |
| quiet_warning(c32); |
| return 0; |
| } |
| |
| } |
