fizzbuzz.go

package main

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

func lPrint(ch chan string, delay time.Duration) {
	for toPrint := range ch {
		time.Sleep(delay)
		fmt.Println(toPrint)
	}
}

func main() {
	ch := make(chan string, 100)
	buf := bytes.Buffer{}

	go lPrint(ch, 50*time.Millisecond)

	for i := 1; i <= 100; i++ {
		if i%3 == 0 {
			buf.WriteString("Fizz")
		}
		if i%5 == 0 {
			buf.WriteString("Buzz")
		}
		if buf.Len() == 0 {
			buf.WriteString(strconv.Itoa(i))
		}

		ch <- buf.String()
		buf.Reset()
	}

	close(ch)
}