config/test/boost_no_unicode_literals.ipp

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928 B
C++

// (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;
}
}