Testing Handle List

HandleList.h

template <Typename T, int count>
struct HandleList
{
  HandleList(void* data)
  {
    _data = static_cast<T*>(data);
    for ( int i = 0 ; i < count; i++ )
      _freeSpots[i] = i;
    _freeSpotCount = count;
  }
  
  T* getDataElement(handle h) {
    return _data[h.index];
  }
  
  Handle getHandle() {
    int index = _freeSpots[_freeSpotCount];
    _freeSpotCount--;
    // check overflow
    return Handle(index);
  }
  
  void freeHandle(Handle h) {
    _freeSpots[_freeSpotCount++] = h.index;
  }
 
  T* _data;
  int _freeSpots[count];
  int _freeSpotCount;
}