简单数学问题求助 - V2EX
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faker1
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简单数学问题求助

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  • &bsp; faker1 2019-01-16 11:32:36 +08:00 878 次点击
    这是一个创建于 2466 天前的主题,其中的信息可能已经有所发展或是发生改变。
     /*** 有一段 go 代码如下, 这个 ```result ```值 在某个区间是一样的? ***/ package main import ( "time" "log" ) func PrevSlot(now int64) int64 { // now = time.Now().Unix() var blockInterval = int64(10) result := int64((now-1)/blockInterval) * blockInterval // 这个值在咋一样呢?弄了半天不懂 log.Println("PrevSlot:", int64(result), int64((now-1)/blockInterval), now) return result } func main() { //fmt.Println(15 /2) ticker := time.NewTicker(1 * time.Second) for { <-ticker.C now := time.Now().Unix() PrevSlot(now) } } /** output: 2019-01-16 10:58:31.668597 I | dpos.go: PrevSlot: 1547607510 154760751 1547607511 2019-01-16 10:58:32.668649 I | dpos.go: PrevSlot: 1547607510 154760751 1547607512 2019-01-16 10:58:33.668568 I | dpos.go: PrevSlot: 1547607510 154760751 1547607513 2019-01-16 10:58:34.668572 I | dpos.go: PrevSlot: 1547607510 154760751 1547607514 2019-01-16 10:58:35.668547 I | dpos.go: PrevSlot: 1547607510 154760751 1547607515 */ 
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