function somethingAdvanced(_ref, p2, p3) { var _ref$topLeft = _ref.topLeft; _ref$topLeft = _ref$topLeft === undefined ? {} : _ref$topLeft; var x1 = _ref$topLeft.x; var y1 = _ref$topLeft.y; var _ref$bottomRight = _ref.bottomRight; _ref$bottomRight = _ref$bottomRight === undefined ? {} : _ref$bottomRight; var x2 = _ref$bottomRight.x; var y2 = _ref$bottomRight.y; } function unpackObject(_ref2) { var title = _ref2.title; var author = _ref2.author; return title + " " + author; } console.log(unpackObject({ title: "title", author: "author" })); var unpackArray = function (_ref3, _ref4) { var _ref6 = babelHelpers.slicedToArray(_ref3, 3); var a = _ref6[0]; var b = _ref6[1]; var c = _ref6[2]; var _ref5 = babelHelpers.slicedToArray(_ref4, 3); var x = _ref5[0]; var y = _ref5[1]; var z = _ref5[2]; return a + b + c; }; console.log(unpackArray(["hello", ", ", "world"], [1, 2, 3]));