1 #include <cassert> 2 #include <exception> 3 throw_exception()4void throw_exception() { 5 throw 1; 6 } 7 main()8int main() { 9 std::set_unexpected(throw_exception); 10 try { 11 std::unexpected(); // it is OK to throw exception from std::unexpected() 12 assert(false); 13 } catch (int) { 14 assert(true); 15 } catch (...) { 16 assert(false); 17 } 18 return 0; 19 } 20