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A simple implementation of a TernaryTree in ruby
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This is a simple implementation of a TernaryTree.

Running the specs

gem install rspec -v=2.1.0
rspec spec/ternary_tree_spec.rb --format documentation

  is initially empty
  makes the first item the root
  builds a complex tree properly
  with a root of 7
    inserts a 5 to the left
    inserts a 7 in the middle
    inserts a 9 to the right
    and a left of 5
      inserts a 3 to the left of the 5
      inserts a 6 to the right of the 5
      inserts a 5 as the middle child of 5

Finished in 0.00714 seconds
9 examples, 0 failures
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