Function leftShift

chapter08/8.12 - Eight Queens/nQueens.js:34–36

(binaryString, n)

};

var leftShift = function(binaryString, n) {
  return bitwiseOp(binaryString, n, (number) => number << 1);
};

var rightShift = function(binaryString, n) {
  return bitwiseOp(binaryString, n, (number) => number >>> 1);