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Eric Lippert's challenge - cleanerer

a guest Sep 10th, 2010 53 Never
  1. sealed class Dumper
  2. {
  3.     static public string Dump(Node root)
  4.     {
  5.         return Dump( root, "" );
  6.     }
  7.     static private string Dump(Node node, string indent)
  8.     {
  9.         return node.Text + "\n" +
  10.             ( node.Children.Count == 0
  11.                 ? "" : node.Children.Take(node.Children.Count - 1).
  12.                             Aggregate(string.Empty, (results, child) =>
  13.                                 results + indent + "├─" + Dump(child, indent + "│ ") )
  14.               + indent + "└─" + Dump(node.Children.Last(), indent + "  " ) );
  15.     }
  16. }
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