text: var Tree = require('..').RBTree;
  
  // create a new tree, pass in the compare function
  var tree = new Tree(function(a, b) { return a - b; });
  
  // do some inserts
  tree.insert(1);
  tree.insert(2);
  tree.insert(3);
  tree.remove(2);
  
  // get smallest item
  tree.min();
  