frompromise.md

Rx.Observable.fromPromise(promise)

Converts a Promises/A+ spec compliant Promise and/or ES2015 compliant Promise to an Observable sequence.

Arguments

1. promise (Promise): Promises/A+ spec compliant Promise to an Observable sequence.

Returns

(Observable): An Observable sequence which wraps the existing promise success and failure.

Example

Create a promise which resolves 42

Create a promise which rejects with an error