|
public Filter ( QilNode variable, QilNode body ) : |
||
| variable | QilNode | |
| body | QilNode | |
| return | ||
public QilNode Filter(QilIterator variable, QilNode expr)
{
if (!_debug)
{
//((Filter (For $Binding) (True ) ) => ($binding))
if (expr.NodeType == QilNodeType.True)
{
return(variable.Binding);
}
// The following optimization is not safe if the iterator has side effects
//((Filter (For $Binding) (False) ) => (Sequence))
}
return(_f.Filter(variable, expr));
}
