//===----------------------------------------------------------------------===// // // 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. // //===----------------------------------------------------------------------===// // <strstream> // class ostrstream // : public basic_ostream<char> // { // ... #include <strstream> #include <type_traits> int main() { static_assert((std::is_base_of<std::ostream, std::ostrstream>::value), ""); }