lprint.c

经典c++程序的实现

// Print out the elements of list "in"
void print(list& in) {
  if (in.isEmpty()) cout << "()\n";
  else {
    in.setFirst();
    cout << "( " << in.currValue();
    in.next();
    while (in.isInList()) {
      cout << ", " << in.currValue();
      in.next();
    }
    cout << " )\n";
  }
}