| "use strict"; | |
| var callable = require("../../../object/valid-callable") | |
| , ensureValue = require("../../../object/valid-value") | |
| , some = Array.prototype.some | |
| , apply = Function.prototype.apply; | |
| module.exports = function (predicate /*, thisArg*/) { | |
| var k, self; | |
| self = Object(ensureValue(this)); | |
| callable(predicate); | |
| return some.call( | |
| self, | |
| function (value, index) { | |
| if (apply.call(predicate, this, arguments)) { | |
| k = index; | |
| return true; | |
| } | |
| return false; | |
| }, | |
| arguments[1] | |
| ) | |
| ? k | |
| : -1; | |
| }; |