udemy-react/02/node_modules/es5-ext/test/object/map-keys.js

"use strict";

module.exports = function (t, a) {
	a.deep(t({ 1: 1, 2: 2, 3: 3 }, function (key, value) { return "x" + (key + value); }), {
		x11: 1,
		x22: 2,
		x33: 3
	});
};