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 // <istream> 11 12 // template <class charT, class traits = char_traits<charT> > 13 // class basic_iostream : 14 // public basic_istream<charT,traits>, 15 // public basic_ostream<charT,traits> 16 // { 17 // public: 18 // // types: 19 // typedef charT char_type; 20 // typedef traits traits_type; 21 // typedef typename traits_type::int_type int_type; 22 // typedef typename traits_type::pos_type pos_type; 23 // typedef typename traits_type::off_type off_type; 24 25 #include <istream> 26 #include <type_traits> 27 28 int main() 29 { 30 static_assert((std::is_base_of<std::basic_istream<char>, std::basic_iostream<char> >::value), ""); 31 static_assert((std::is_base_of<std::basic_ostream<char>, std::basic_iostream<char> >::value), ""); 32 static_assert((std::is_same<std::basic_iostream<char>::char_type, char>::value), ""); 33 static_assert((std::is_same<std::basic_iostream<char>::traits_type, std::char_traits<char> >::value), ""); 34 static_assert((std::is_same<std::basic_iostream<char>::int_type, std::char_traits<char>::int_type>::value), ""); 35 static_assert((std::is_same<std::basic_iostream<char>::pos_type, std::char_traits<char>::pos_type>::value), ""); 36 static_assert((std::is_same<std::basic_iostream<char>::off_type, std::char_traits<char>::off_type>::value), ""); 37 } 38