Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 20x 20x 20x 20x 20x 6x 6x 6x 20x 20x 5x 5x 20x 6x 6x 6x 6x 6x | /** * @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'; // MODULES // var toStr = require( './tostring.js' ); // VARIABLES // var RE = /^Symbol\(.*\)$/; // MAIN // /** * Attempts to call a `Symbol` method. * * @private * @param {*} value - value to test * @returns {boolean} boolean indicating if able to call a `Symbol` method */ function test( value ) { try { return ( // Objects created via `Object.create( null )` have no `valueOf()` method: typeof value.valueOf() === 'symbol' && // Test output of a non-generic method: RE.test( toStr( value ) ) ); } catch ( err ) { // eslint-disable-line no-unused-vars return false; } } // EXPORTS // module.exports = test; |