QilUnary.cs

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namespace System.Xml.Xsl.Qil;
 
internal sealed class QilUnary : QilNode
{
    private QilNode _child;
 
    public override int Count => 1;
 
    public override QilNode this[int index]
    {
        get
        {
            if (index != 0)
            {
                throw new IndexOutOfRangeException();
            }
            return _child;
        }
        set
        {
            if (index != 0)
            {
                throw new IndexOutOfRangeException();
            }
            _child = value;
        }
    }
 
    public QilNode Child
    {
        get
        {
            return _child;
        }
        set
        {
            _child = value;
        }
    }
 
    public QilUnary(QilNodeType nodeType, QilNode child)
        : base(nodeType)
    {
        _child = child;
    }
}