/** * @license Apache-2.0 * * Copyright (c) 2018 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ 'use strict'; // MAIN // /** * Tests for native `Symbol` support. * * @returns {boolean} boolean indicating if an environment has `Symbol` support * * @example * var bool = hasSymbolSupport(); * // returns */ function hasSymbolSupport() { return ( typeof Symbol === 'function' && typeof Symbol( 'foo' ) === 'symbol' ); } // EXPORTS // module.exports = hasSymbolSupport;