//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is dual licensed under the MIT and the University of Illinois Open // Source Licenses. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// // <string> // template<> struct char_traits<wchar_t> // static constexpr bool lt(char_type c1, char_type c2); #include <string> #include <cassert> int main() { wchar_t c = L'\0'; assert(!std::char_traits<wchar_t>::lt(L'a', L'a')); assert( std::char_traits<wchar_t>::lt(L'A', L'a')); }