Compilare: main.cpp: In member function 'OutParser& OutParser::operator<<(int)': main.cpp:76:5: warning: no return statement in function returning non-void [-Wreturn-type] 76 | } | ^ main.cpp:69:16: warning: infinite recursion detected [-Winfinite-recursion] 69 | OutParser &operator << (int n) { | ^~~~~~~~ main.cpp:73:31: note: recursive call 73 | (*this) << (n / 10); | ^