Go: time.Durationの桁数で迷った時にみるページ

code: Go

package main

import (

"fmt"

"time"

)

func main() {

t := time.Now()

time.Sleep(1 * time.Second)

func(t time.Time) {

fmt.Printf("%d", time.Since(t))

}(t)

}

// 1000000000

code: time pkg

const (

Nanosecond Duration = 1

Microsecond = 1000 * Nanosecond

Millisecond = 1000 * Microsecond

Second = 1000 * Millisecond

Minute = 60 * Second

Hour = 60 * Minute

)