text: var _createIndexFinder = require('./_createIndexFinder.js');
  var findLastIndex = require('./findLastIndex.js');
  
  // Return the position of the last occurrence of an item in an array,
  // or -1 if the item is not included in the array.
  var lastIndexOf = _createIndexFinder(-1, findLastIndex);
  
  module.exports = lastIndexOf;
  