golang get uid based on time.sleep

tuid.go

package main

import (
    "fmt"
    "time"
    "strconv"
)

func main(){
    for i := 0; i < 2000; i++ {
        fmt.Println(Tuid())
    }
}



func Tuid() string {
    time.Sleep(1 * time.Nanosecond)
    return strconv.FormatInt(time.Now().UnixNano(), 36)
}