Function unfoldChunkEffect

packages/effect/src/internal/stream.ts:7419–7435

(
  s: S,
  f: (s: S) => Effect.Effect<Option.Option<readonly [Chunk.Chunk<A>, S]>, E, R>
)

/** @internal */
export const unfoldChunkEffect = <S, A, E, R>(
  s: S,
  f: (s: S) => Effect.Effect<Option.Option<readonly [Chunk.Chunk<A>, S]>, E, R>
): Stream.Stream<A, E, R> =>
  suspend(() => {
    const loop = (s: S): Channel.Channel<Chunk.Chunk<A>, unknown, E, unknown, unknown, unknown, R> =>
      channel.unwrap(
        Effect.map(
          f(s),
          Option.match({
            onNone: () => core.void,
            onSome: ([chunk, s]) => core.flatMap(core.write(chunk), () => loop(s))
          })
        )
      )
    return new StreamImpl(loop(s))
  })

/** @internal */
export const unfoldEffect = <S, A, E, R>(