Compilare: main.cpp: In member function 'OutParser& OutParser::operator<<(int)': main.cpp:78:5: warning: no return statement in function returning non-void [-Wreturn-type] 78 | } | ^ main.cpp:71:16: warning: infinite recursion detected [-Winfinite-recursion] 71 | OutParser& operator << (int n) { | ^~~~~~~~ main.cpp:75:31: note: recursive call 75 | (*this) << (n / 10); | ^