Function resize

include/Array.h:233–246

   virtual int GetElementSize() const = 0;

   inline void resize(int inSize)
   {
      if (inSize<length)
      {
         int s = GetElementSize();
         memset(mBase + inSize*s, 0, (length-inSize)*s);
         length = inSize;
      }
      else if (inSize>length)
      {
         EnsureSize(inSize);
         length = inSize;
      }
   }
   inline void __SetSize(int inLen) { resize(inLen); }

   void __SetSizeExact(int inLen=0);