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<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width">
  <title>Buffer</title>
  <script src="https://npmcdn.com/@reactivex/rxjs@5.0.0-beta.3/dist/global/Rx.umd.js"></script>
</head>
<body>
</body>
</html>
 
//emit next and error notifications
const source = Rx.Observable
  .from([
    Rx.Notification.createNext('SUCCESS!'),
    Rx.Notification.createError('ERROR!')   
  ])
  //turn notification objects into notification values
  .dematerialize();
//output: 'NEXT VALUE: SUCCESS' 'ERROR VALUE: 'ERROR!'
const subscription = source.subscribe({
  next: val => console.log(`NEXT VALUE: ${val}`),
  error: val => console.log(`ERROR VALUE: ${val}`)
});
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