/in/foo.cc: In member function 'hugeint hugeint::operator=(int)':
/in/foo.cc:42:101: warning: no return statement in function returning non-void [-Wreturn-type]
  inline hugeint operator = (int x) { *this = hugeint (); while (x) num[++num[0]] = x % 10, x /= 10; }
                                                                                                     ^