1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 // <string>
10
11 // template<> struct char_traits<char32_t>
12
13 // static constexpr bool lt(char_type c1, char_type c2);
14
15 // UNSUPPORTED: c++03
16
17 #include <string>
18 #include <cassert>
19
main(int,char **)20 int main(int, char**) {
21 assert(!std::char_traits<char32_t>::lt(U'a', U'a'));
22 assert(std::char_traits<char32_t>::lt(U'A', U'a'));
23 return 0;
24 }
25