/// <summary>
/// Creates a new walker information instance for a walker that has a corresponding expression factory.
/// </summary>
/// <param name="walker">The walker delegate.</param>
/// <param name="expressionFactory">The expression factory that can be used to create a walker delegate.</param>
public WalkerInfo(FastWalker walker, CreateFastWalker expressionFactory)
{
Delegate = walker;
ExpressionFactory = expressionFactory;
}
/// <summary>
/// Creates a new walker information instance for a walker without an expression factory.
/// </summary>
/// <param name="walker">The walker delegate.</param>
public WalkerInfo(FastWalker walker)
{
Delegate = walker;
ExpressionFactory = null;
}
