CopperStarSystems

// Tree traversal using recursion in C#
//
// We want to traverse the following tree, which may be arbitrarily
// deep/wide.  These parameters are not known until runtime.
//
// root
// - branch1
//	- leaf1
//	- leaf2
// - branch2

CopperStarSystems

bool showDebugOutput = true;

void Main()
{
	var data = new string[] { "A", "R", "L", "S", "T", "N", "E" };

	// Tell the user what's going on
	Console.WriteLine("Unsorted Data:");
	DumpData(data);
	Console.WriteLine("Sorting Data...");

CopperStarSystems

// This code implements a wrapper around the static Path class.
// The interface allows us to inject a mock IPath instance at
// test time (for example when testing the MuchEasierToTest class).

public interface IPath{
  string GetFileName(string fileName);
}

public class PathImpl : IPath {
  public string GetFileName(string fileName){