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Dec 10th, 2016
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  1. function applyEachSeries(array, ...args) {
  2. const iterator = array[Symbol.iterator]();
  3. const final = args.pop(); // performance?
  4. (function cb() {
  5. const x = iterator.next();
  6. if (x.done) return final();
  7. x.value(...args, cb);
  8. })();
  9. }
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