callbag-throw-error

Callbag source factory that immediately emits an error.

Example

``js
import concat from 'callbag-concat'
import of from 'callbag-of'
import pipe from 'callbag-pipe'
import subscribe from 'callbag-subscribe'
import throwError from 'callbag-throw-error'

pipe(
concat(of(1, 2, 3), throwError('err'))
subscribe({
next: value => {
console.log(value) // 1 2 3
},
error: err => {
console.log(err) // 'err'
},
}),
)
``