code: function createSet(values) {
      var set = new Set();
      Lazy(values || []).flatten().each(function(e) {
        set.add(e);
      });
      return set;
    }
docs: Creates a Set containing the specified values.
  
  @param {...Array} values One or more array(s) of values used to populate the
  set.
  @returns {Set} A new set containing the values passed in.