Arun Kumar 7c89af34a9 docs: square odds example in rxjs guide (#24947)
Added argument type to filter function of rxjs. Fixed the
return value of filtering of odd numbers

PR Close #24947
2018-07-23 08:41:58 -07:00

24 lines
477 B
TypeScript

import { of, pipe } from 'rxjs';
// #docregion
import { filter, map } from 'rxjs/operators';
const nums = of(1, 2, 3, 4, 5);
// Create a function that accepts an Observable.
const squareOddVals = pipe(
filter((n: number) => n % 2 !== 0),
map(n => n * n)
);
// Create an Observable that will run the filter and map functions
const squareOdd = squareOddVals(nums);
// Suscribe to run the combined functions
squareOdd.subscribe(x => console.log(x));
// #enddocregion