Test: iterator_invalidation.cpp
iterator_invalidation.cpp: In member function 'void EventQueue::processEvents()':
iterator_invalidation.cpp:16:31: error: 'lt' was not declared in this scope
   16 |         for (size_t i = 0; i < events_.size(); ++i) {
      |                               ^~
iterator_invalidation.cpp:16:47: warning: ignoring return value of 'std::vector<_Tp, _Alloc>::size_type std::vector<_Tp, _Alloc>::size() const [with _Tp = std::__cxx11::basic_string<char>; _Alloc = std::allocator<std::__cxx11::basic_string<char> >; size_type = long unsigned int]', declared with attribute 'nodiscard' [-Wunused-result]
   16 |         for (size_t i = 0; i &lt; events_.size(); ++i) {
      |                                   ~~~~~~~~~~~~^~
In file included from /usr/local/include/c++/13.4.0/vector:66,
                 from iterator_invalidation.cpp:2:
/usr/local/include/c++/13.4.0/bits/stl_vector.h:992:7: note: declared here
  992 |       size() const _GLIBCXX_NOEXCEPT
      |       ^~~~
iterator_invalidation.cpp:16:49: error: expected ')' before ';' token
   16 |         for (size_t i = 0; i &lt; events_.size(); ++i) {
      |                                                 ^
iterator_invalidation.cpp:16:13: note: to match this '('
   16 |         for (size_t i = 0; i &lt; events_.size(); ++i) {
      |             ^
iterator_invalidation.cpp:16:53: error: 'i' was not declared in this scope
   16 |         for (size_t i = 0; i &lt; events_.size(); ++i) {
      |                                                     ^