var _createForOfIteratorHelper = require("@babel/runtime/helpers/createForOfIteratorHelper");

var _iterator = _createForOfIteratorHelper(arr),
    _step;

try {
  for (_iterator.s(); !(_step = _iterator.n()).done;) {
    var i = _step.value;
  }
} catch (err) {
  _iterator.e(err);
} finally {
  _iterator.f();
}