1286.字母组合迭代器.js

/*
 * @lc app=leetcode.cn id=1286 lang=javascript
 *
 * [1286] 字母组合迭代器
 */

// @lc code=start
/**
 * @param {string} characters
 * @param {number} combinationLength
 */
var CombinationIterator = function(characters, combinationLength) {

};

/**
 * @return {string}
 */
CombinationIterator.prototype.next = function() {

};

/**
 * @return {boolean}
 */
CombinationIterator.prototype.hasNext = function() {

};

/**
 * Your CombinationIterator object will be instantiated and called as such:
 * var obj = new CombinationIterator(characters, combinationLength)
 * var param_1 = obj.next()
 * var param_2 = obj.hasNext()
 */
// @lc code=end