protected virtual Expression BaseVisitNhSum(SumExpression expression)
{
Expression nx = base.VisitExpression(expression.Expression);
return nx != expression.Expression ? new SumExpression(nx) : expression;
}
protected virtual Expression VisitNhSum(SumExpression expression)
{
return VisitUnhandledItem<SumExpression, Expression>(expression, "VisitNhSum", BaseVisitNhSum);
}