public RdpFlip(RdpBinaryFunction func, RdpPattern p)
{
this.func = func;
this.arg = p;
}
internal RdpFlip MakeFlip (RdpBinaryFunction func, RdpPattern p)
{
if (patternPool == null) // could be null for RdpElement etc.
patternPool = new Hashtable ();
// Though this method takes function argument, all
// p1 callers have different pattern types, so we don't
// have to distinguish tables by func.
Hashtable table = patternPool [func] as Hashtable;
if (table == null) {
table = new Hashtable ();
patternPool [func] = table;
}
RdpFlip f = table [p] as RdpFlip;
if (f != null)
return f;
f = new RdpFlip (func, p);
table [p] = f;
return f;
}
public RdpFlip (RdpBinaryFunction func, RdpPattern p)
{
this.func = func;
this.arg = p;
}
