Function hourOfDay

packages/effect/src/internal/schedule.ts:826–851

(hour: number)

/** @internal */
export const hourOfDay = (hour: number): Schedule.Schedule<number> =>
  makeWithState<[number, number], unknown, number>(
    [Number.NEGATIVE_INFINITY, 0],
    (now, _, state) => {
      if (!Number.isInteger(hour) || hour < 0 || 23 < hour) {
        return core.dieSync(() =>
          new core.IllegalArgumentException(
            `Invalid argument in: hourOfDay(${hour}). Must be in range 0...23`
          )
        )
      }
      const n = state[1]
      const initial = n === 0
      const hour0 = nextHour(now, hour, initial)
      const start = beginningOfHour(hour0)
      const end = endOfHour(hour0)
      const interval = Interval.make(start, end)
      return core.succeed(
        [
          [end, n + 1],
          n,
          ScheduleDecision.continueWith(interval)
        ]
      )
    }
  )

/** @internal */
export const identity = <A>(): Schedule.Schedule<A, A> =>