Function foldArray

repos/effect/packages/effect/src/Sink.ts:767–784

(
  s: LazyArg<S>,
  contFn: Predicate<S>,
  f: (s: S, input: Arr.NonEmptyReadonlyArray<In>) => Effect.Effect<S, E, R>
)

        const arr = yield* upstream
        for (let i = 0; i < arr.length; i++) {
          state = yield* f(state, arr[i])
          if (contFn(state)) continue
          return [
            state,
            (i + 1) < arr.length ? (arr.slice(i + 1) as any) : undefined
          ] as const
        }
      }
    }).pipe(
      Pull.catchDone(() => Effect.succeed<End<S, In>>([state]))
    )
  })

/**
 * Folds non-empty input arrays into state with an effectful function.
 *
 * **When to use**
 *
 * Use to update state with an effectful function once per pulled non-empty
 * input array when batch-level processing is the natural unit.
 *