//emit a value every 2 seconds
const source = Rx.Observable.interval(2000);
const example = source
//for demonstration, add 10 to and return as observable
.map(val => Rx.Observable.of(val + 10))
//merge values from inner observable
.concatAll();
//output: 'Example with Basic Observable 0', 'Example with Basic Observable 2'...
const subscribe = example.subscribe(val => console.log('Example with Basic Observable:', val));
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