Test: reference_to_temporary.cpp reference_to_temporary.cpp:1:12: error: 'string' in namespace 'std' does not name a type 1 | const std::string getAppName() { | ^~~~~~ reference_to_temporary.cpp:1:1: note: 'std::string' is defined in header ''; did you forget to '#include '? +++ |+#include 1 | const std::string getAppName() {