Rx.Observable.startAsync(functionAsync)
Invokes the asynchronous function, surfacing the result through an observable sequence.
Arguments
functionAsync(Function): Asynchronous function which returns a Promise to run.
Returns
(Observable): An observable sequence exposing the function's Promises's value or error.
Example
var source = Rx.Observable.startAsync(function () {
    return RSVP.Promise.resolve(42);
});
var subscription = source.subscribe(
    function (x) {
        console.log('Next: ' + x);
    },
    function (err) {
        console.log('Error: ' + err);
    },
    function () {
        console.log('Completed');
    });
// => Next: 42
// => Completed
Location
File:
Dist:
Prerequisites:
- If using 
rx.async.js|rx.async.compat.js 
NPM Packages:
NuGet Packages:
Unit Tests: