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 // <system_error> 11 12 // class error_category 13 14 // bool operator==(const error_category& rhs) const; 15 16 #include <system_error> 17 #include <cassert> 18 main()19int main() 20 { 21 const std::error_category& e_cat1 = std::generic_category(); 22 const std::error_category& e_cat2 = std::generic_category(); 23 const std::error_category& e_cat3 = std::system_category(); 24 assert(e_cat1 == e_cat2); 25 assert(!(e_cat1 == e_cat3)); 26 } 27