Test: iterator_invalidation.cpp
iterator_invalidation.cpp:48:2: error: expected '}' at end of input
   48 | }
      |  ^
iterator_invalidation.cpp:6:18: note: to match this '{'
    6 | class EventQueue {
      |                  ^
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:16:27: error: 'events_' was not declared in this scope
   16 |                 auto it = events_.begin();
      |                           ^~~~~~~
iterator_invalidation.cpp:28:22: warning: empty parentheses were disambiguated as a function declaration [-Wvexing-parse]
   28 |     int getEventCount() const {
      |                      ^~
iterator_invalidation.cpp:28:22: note: remove parentheses to default-initialize a variable
   28 |     int getEventCount() const {
      |                      ^~
      |                      --
iterator_invalidation.cpp:28:22: note: or replace parentheses with braces to value-initialize a variable
iterator_invalidation.cpp:28:31: error: a function-definition is not allowed here before '{' token
   28 |     int getEventCount() const {
      |                               ^
iterator_invalidation.cpp:32:1: error: expected primary-expression before 'private'
   32 | private:
      | ^~~~~~~
iterator_invalidation.cpp: In member function 'int EventQueue::main()':
iterator_invalidation.cpp:44:44: error: 'class EventQueue' has no member named 'getEventCount'
   44 |     std::cout << "Total events: " << queue.getEventCount() << std::endl;
      |                                            ^~~~~~~~~~~~~
iterator_invalidation.cpp: At global scope:
iterator_invalidation.cpp:48:2: error: expected unqualified-id at end of input
   48 | }
      |  ^