Function onFailure

repos/effect/packages/effect/src/Stream.ts:7169–7174

(cause_)

 *         const array = useLeft ? yield* pullLeft : yield* pullRight
 *         return [array, !useLeft] as const
 *       })
 *   )
 * )
 *
 * const program = Effect.gen(function*() {
 *   const values = yield* Stream.runCollect(stream)
 *   values // => [ 1, 2, 10, 20 ]
 * })
 *