text: var fast = require('../lib');
  
  var input = [1,2,3,4,5,6,7,8,9,10];
  
  exports['Array::concat()'] = function () {
    return input.concat(11, 12, [13]);
  };
  
  exports['fast.concat()'] = function () {
    return fast.concat(input, 11, 12, [13]);
  };
  