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Eric Lippert's challenge - cleanererer

a guest Sep 10th, 2010 45 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" + node.Children.Take(node.Children.Count - 1)
  10.             .Aggregate(string.Empty,
  11.                 (results, child) => results + indent + "├─" + Dump(child, indent + "│ ") ) +
  12.             ( node.Children.Count == 0 ? "" : indent + "└─" + Dump(node.Children.Last(), indent + "  " ) );
  13.     }
  14. }
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