Test: dangling_cstr.cpp
dangling_cstr.cpp: In member function 'const char* Logger::formatMessage(const std::string&)':
dangling_cstr.cpp:10:59: error: a function-definition is not allowed here before '{' token
   10 |         std::string formatMessage(const std::string& msg) { return "[LOG] " + msg; }
      |                                                           ^
dangling_cstr.cpp:11:5: warning: no return statement in function returning non-void [-Wreturn-type]
   11 |     }
      |     ^