1 //===----------------------------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
12 // template<> struct char_traits<char32_t>
14 // static size_t length(const char_type* s);
21 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
22 #if __cplusplus >= 201103L
23 assert(std::char_traits<char32_t>::length(U"") == 0);
24 assert(std::char_traits<char32_t>::length(U"a") == 1);
25 assert(std::char_traits<char32_t>::length(U"aa") == 2);
26 assert(std::char_traits<char32_t>::length(U"aaa") == 3);
27 assert(std::char_traits<char32_t>::length(U"aaaa") == 4);
29 #endif // _LIBCPP_HAS_NO_UNICODE_CHARS