package main

import (
    "fmt"

    "github.com/vardius/message-bus"
)

func main() {
    bus := messagebus.New()

    var wg sync.WaitGroup
    wg.Add(2)

    bus.Subscribe("topic", func(v bool) {
        defer wg.Done()
        fmt.Println(v)
    })

    bus.Subscribe("topic", func(v bool) {
        defer wg.Done()
        fmt.Println(v)
    })

    bus.Publish("topic", true)
    wg.Wait()
}