public ExpressionNode(Expression expr, Node parent)
{
Requires.NotNull(expr, nameof(expr));
Requires.NotNull(parent, nameof(parent));
this.Expression = expr;
this.Parent = parent;
}
public ExpressionTree()
{
this.rootNode = new RootNode();
}
public void AddChild(Node child)
{
Requires.NotNull(child, nameof(child));
var list = Children.ToList();
list.Add(child);
this.Children = list.AsReadOnly();
}