Parallel search each user in go

each.go

package main

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

func getIdByFio (fio string) chan int {
	c := make(chan int)
	go func (){
		time.Sleep(time.Second*1)
		c <- len(fio)
	}()
	return c
}

func getTax (id int) chan string{
	c := make(chan string)
	time.Sleep(time.Second*2)
	go func (){
		c <- "Tax for user " + strconv.Itoa(id) + " is " + strconv.Itoa(id*2)
	}()
	return c
}

func main (){
	userList := []string{"Wezel", "Go", "Bill Gates", "Lexus", "Boom", "Gone"}
	for _, fio := range userList {
		go func (fio string){
			fmt.Printf("Start search tax for %v\n", fio)
			id := getIdByFio(fio)
			fmt.Println(<-getTax(<-id))
		}(fio)
	}
	time.Sleep(time.Second*30)
}