example/src/features/generators.js
function Tree(left, label, right) {
  this.left = left;
  this.label = label;
  this.right = right;
}
function Tree(left, label, right) {
  this.left = left;
  this.label = label;
  this.right = right;
}
function Tree ( left , label , right ) { this . left = left ; this . label = label ; this . right = right ; }
A binary tree class.
A binary tree class .