Callbag operator that maps to inner source, subscribe and emit in order.
import concatMap from 'callbag-concat-map'
import fromEvent from 'callbag-from-event'
import forEach from 'callbag-for-each'
import interval from 'callbag-interval'
import pipe from 'callbag-pipe'
import take from 'callbag-take'
pipe(
fromEvent(document, 'click'),
concatMap(() => pipe(interval(1000), take(4))),
forEach(value => {
// For every click on the "document" it will emit values 0 to 3 spaced
}),
)