import eq from './eq.js' /** * Gets the index at which the `key` is found in `array` of key-value pairs. * 获取在键值对的“数组”中找到“键”的索引。 * @private * @param {Array} array 要检查的数组. * @param {*} key 搜索的关键key. * @returns {number} 返回匹配值的索引,否则为“-1”. */ function assocIndexOf(array, key) { let { length } = array while (length--) { if (eq(array[length][0], key)) { return length } } return -1 } export default assocIndexOf