Go concurrency test (me learning go)

main.go

package main

import (
    "fmt"
    "time"
)

func main() {
    fmt.Println("Concurrency test")

    concurrency := 5
    workers := make(chan bool, concurrency)

    // Ensure each worker is set to true (ready)
    for i := 0; i < cap(workers); i++ {
        select {
            default:
                workers <- true
        }
    }

    // i is purely for output reasons
    for i := 0; ; i++ {
        select {
            case <-workers:
                output := make(chan string)

                go func(w chan bool) {
                    defer func() {
                        w <- true
                    }()

                    output <- fmt.Sprintf("request %d", i)
                    time.Sleep(1000 * time.Millisecond)
                }(workers)

                fmt.Println(<-output)
        }
    }
}