struct foo {
  int a;
  double b;
};

class AlignedHeapBuf : public WDL_HeapBuf
{
public:
  void *getAligned(int alignAmt)
  {
    char *a = (char *)Get();
    INT_PTR off = (((INT_PTR)a) & (alignAmt-1));
    if (off) a += alignAmt-off;
    return a;
  }
}