--- /dev/null
+"use strict";
+
+exports.__esModule = true;
+
+var _hasInstance = require("../core-js/symbol/has-instance");
+
+var _hasInstance2 = _interopRequireDefault(_hasInstance);
+
+var _symbol = require("../core-js/symbol");
+
+var _symbol2 = _interopRequireDefault(_symbol);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+exports.default = function (left, right) {
+ if (right != null && typeof _symbol2.default !== "undefined" && right[_hasInstance2.default]) {
+ return right[_hasInstance2.default](left);
+ } else {
+ return left instanceof right;
+ }
+};
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