1 //===----------------------------------------------------------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is dual licensed under the MIT and the University of Illinois Open
6 // Source Licenses. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 // <string>
11
12 // template<> struct char_traits<wchar_t>
13
14 // static constexpr bool lt(char_type c1, char_type c2);
15
16 #include <string>
17 #include <cassert>
18
main()19 int main()
20 {
21 assert(!std::char_traits<wchar_t>::lt(L'a', L'a'));
22 assert( std::char_traits<wchar_t>::lt(L'A', L'a'));
23 }
24