ncrated

t := func() error { return nil }
timed := nctask.Task(t).Timed(time.Second)
rl := Task(rate.NewLimiter(rate.Every(time.Second), 1), t)

begin := time.Now()
timed.Run() // run t, wait a second
timed.Run() // run t, wait a second
timed.Run() // run t, wait a second
fmt.Printf("timed task: elapsed %d seconds\n", time.Since(begin)/time.Second)

begin = time.Now()
rl.Run() // run t
rl.Run() // wait a second, run t
rl.Run() // wait a second, run t
fmt.Printf("ratelimited task: elapsed %d seconds\n", time.Since(begin)/time.Second)

Output:
timed task: elapsed 3 seconds
ratelimited task: elapsed 2 seconds