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 char_type to_char_type(int_type c); 15 16 #include <string> 17 #include <cassert> 18 main()19int main() 20 { 21 assert(std::char_traits<wchar_t>::to_char_type(L'a') == L'a'); 22 assert(std::char_traits<wchar_t>::to_char_type(L'A') == L'A'); 23 assert(std::char_traits<wchar_t>::to_char_type(0) == 0); 24 } 25