Test: iterator_invalidation.cpp iterator_invalidation.cpp:30:9: error: expected unqualified-id before 'for' 30 | for (const auto& e : newEvents) { | ^~~ iterator_invalidation.cpp:34:13: error: expected unqualified-id before 'if' 34 | if (*it == "user_login") { | ^~ iterator_invalidation.cpp: In member function 'void EventQueue::addEvent(const std::string&)': iterator_invalidation.cpp:9:9: error: 'events_' was not declared in this scope; did you mean 'event'? 9 | events_.push_back(event); | ^~~~~~~ | event iterator_invalidation.cpp: In member function 'void EventQueue::processEvents()': iterator_invalidation.cpp:16:24: error: 'events_' was not declared in this scope 16 | for (auto it = events_.begin(); it != events_.end(); ++it) { | ^~~~~~~ iterator_invalidation.cpp:19:17: error: 'newEvents' was not declared in this scope 19 | newEvents.push_back("log_analytics"); | ^~~~~~~~~ iterator_invalidation.cpp:22:30: error: 'newEvents' was not declared in this scope 22 | for (const auto& e : newEvents) { | ^~~~~~~~~ iterator_invalidation.cpp:23:13: error: 'events_' was not declared in this scope 23 | events_.push_back(e); | ^~~~~~~ iterator_invalidation.cpp:26:18: error: 'it' was not declared in this scope; did you mean 'int'? 26 | if (*it == "user_login") { | ^~ | int iterator_invalidation.cpp:27:17: error: 'newEvents' was not declared in this scope 27 | newEvents.push_back("log_analytics"); | ^~~~~~~~~ iterator_invalidation.cpp: At global scope: iterator_invalidation.cpp:38:9: error: expected unqualified-id before 'for' 38 | for (const auto& e : newEvents) { | ^~~ iterator_invalidation.cpp:41:18: error: 'cout' in namespace 'std' does not name a type 41 | std::cout << "Event: " << *it << std::endl; | ^~~~ In file included from iterator_invalidation.cpp:1: /usr/local/include/c++/13.4.0/iostream:63:18: note: 'std::cout' declared here 63 | extern ostream cout; ///< Linked to standard output | ^~~~ iterator_invalidation.cpp:44:13: error: expected unqualified-id before 'if' 44 | if (*it == "user_login") { | ^~ iterator_invalidation.cpp:47:9: error: expected declaration before '}' token 47 | } | ^ iterator_invalidation.cpp:48:5: error: expected declaration before '}' token 48 | } | ^ iterator_invalidation.cpp:50:25: error: non-member function 'int getEventCount()' cannot have cv-qualifier 50 | int getEventCount() const { | ^~~~~ iterator_invalidation.cpp: In function 'int getEventCount()': iterator_invalidation.cpp:51:16: error: 'events_' was not declared in this scope 51 | return events_.size(); | ^~~~~~~ iterator_invalidation.cpp: At global scope: iterator_invalidation.cpp:54:1: error: expected unqualified-id before 'private' 54 | private: | ^~~~~~~ iterator_invalidation.cpp:56:1: error: expected declaration before '}' token 56 | }; | ^ iterator_invalidation.cpp: In function 'int main()': iterator_invalidation.cpp:66:44: error: 'class EventQueue' has no member named 'getEventCount' 66 | std::cout << "Total events: " << queue.getEventCount() << std::endl; | ^~~~~~~~~~~~~