export declare function FixedClock(date: Date): Clock

import * as C from 'clock-ts'

const date = new Date('2001-02-03')
const clock = C.FixedClock(date)
assert.deepStrictEqual(clock(), date)

export declare const SystemClock: Clock

export type Clock = IO<Date>

export interface ClockEnv {
  readonly clock: Clock
}

export declare const now: RIO.ReaderIO<ClockEnv, Date>

import * as C from 'clock-ts'
import { pipe } from 'fp-ts/function'

const date = new Date('2001-02-03')
const env = { clock: C.FixedClock(date) }
assert.deepStrictEqual(pipe(env, C.now)(), date)