protected override Expression VisitParameter(ParameterExpression node)
{
if (node.Equals(oldParam))
{
return newParam;
}
return node;
//return base.VisitParameter(node);
}
public static bool MatchParameter(ParameterExpression e1,
ParameterExpression e2,
Substitution subst)
{
if (e1.Equals(e2)) return true;
ParameterExpression e = subst.Find(e1);
return (e != null && e.Equals(e2));
}
