callbag-last-element Callbag operator that emits only the last item emitted by the source. Example import forEach from 'callbag-for-each'import interval from 'callbag-interval'import last from 'callbag-last-element'import pipe from 'callbag-pipe'import take from 'callbag-take' pipe( interval(100), take(5), last, forEach(v => { console.log(v) // will log 4 }))