package main

import (
	"fmt"
	"time"
)

func main() {
	fmt.Println("start:", time.Now())
	index := 0
	ticker := time.NewTicker(10 * time.Millisecond)
	for {
		<-ticker.C
		index++
		fmt.Println(index)
		if index == 100 {
			break
		}
	}
	fmt.Println("  end:", time.Now())
}