/// <summary>
/// Gets a node's following siblings, i.e. all nodes that share the same parent and follow
/// the node in the parent's list of children.
/// </summary>
/// <typeparam name="T">The type of elements in the tree.</typeparam>
/// <param name="walker">
/// The <see cref="ITreeWalker<T>"/> that knows how to find the parent and child
/// nodes.
/// </param>
/// <param name="node">
/// The node whose siblings are to be returned.
/// </param>
/// <returns>
/// An <see cref="System.Collections.Generic.IEnumerable<T>"/> that contains all of
/// the node's preceding siblings.
/// </returns>
public static IEnumerable <T> GetFollowingSiblings <T>(this ITreeWalker <T> walker, T node)
{
return(walker.GetFollowingSiblings <T>(node, EqualityComparer <T> .Default));
}
