Producer Consumer problem implementation in golang

pc.go

package main

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

var done = make(chan string)
func producer(c chan<- string) {
    for i := 1; i <= 10; i++ {
        msg := strconv.Itoa(i)
        c <- msg
        fmt.Println("Produced \t #" + msg)
    }
}

func consumer(c <-chan string) {
   for {
       time.Sleep(time.Second*1)
       select {
           case msg := <- c:
               fmt.Println("Consumed \t #" + msg)
           default:
               done <- "true"
       }
   }
}


func main() {

  
    queue := make(chan string, 1)
    go producer(queue)
    go consumer(queue)

    <- done
}