Compilare: main.cpp: In member function 'OutParser& OutParser::operator<<(int)': main.cpp:74:5: warning: no return statement in function returning non-void [-Wreturn-type] 74 | } | ^ main.cpp:67:16: warning: infinite recursion detected [-Winfinite-recursion] 67 | OutParser &operator << (int n) { | ^~~~~~~~ main.cpp:71:31: note: recursive call 71 | (*this) << (n / 10); | ^