Method available

libraries/PinOutGroup/PinOutGroup.h:54–54

check how many free "slots" there are...

  uint8_t   size() { return _size; };
  //  check how many free "slots" there are...
  uint8_t   available() { return PINOUTGROUP_MAXSIZE - _size; };
  uint8_t   getMaxSize() { return PINOUTGROUP_MAXSIZE; };

  uint8_t   getPin(uint8_t index);