text: /**
   * @since 2017-06-15 19:49:21
   * @author vivaxy
   *
   * @see https://leetcode.com/problems/sum-of-two-integers/
  
   Calculate the sum of two integers a and b, but you are not allowed to use the operator + and -.
  
   Example:
   Given a = 1 and b = 2, return 3.
  
   */
  
  /**
   * @see https://leetcode.com/submissions/detail/106141491/
   *
   * @param {number} a
   * @param {number} b
   * @return {number}
   */
  var getSum = function(a, b) {
      return a + b;
  };
  
  var test = require('ava');
  test('main', function(t) {
      t.is(getSum(1, 2), 3);
  });
  