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 // <locale> 11 12 // template <class CharT> 13 // class ctype 14 // : public locale::facet, 15 // public ctype_base 16 // { 17 // public: 18 // typedef CharT char_type; 19 // }; 20 21 #include <locale> 22 #include <type_traits> 23 #include <cassert> 24 25 int main() 26 { 27 std::locale l = std::locale::classic(); 28 { 29 assert(std::has_facet<std::ctype<wchar_t> >(l)); 30 const std::ctype<wchar_t>& f = std::use_facet<std::ctype<wchar_t> >(l); 31 ((void)f); // Prevent unused warning 32 { 33 (void)std::ctype<wchar_t>::id; 34 } 35 static_assert((std::is_same<std::ctype<wchar_t>::char_type, wchar_t>::value), ""); 36 static_assert((std::is_base_of<std::ctype_base, std::ctype<wchar_t> >::value), ""); 37 static_assert((std::is_base_of<std::locale::facet, std::ctype<wchar_t> >::value), ""); 38 } 39 } 40
