channels.go

go func() {
        for i := 1; i < 100; i++ {
                 fmt.Println(i) 
        }
}()

go SomeMotherfuckingExpensiveLoop()
go AnotherMotherfuckingLoop()
// app is keep going here...

var killed channel bool

killed := make(channel bool)

go func() {
        <-killed
}

killed <- true

<-time.After(10 * time.Second)

interfaces.go

type Jules struct {}

func (jules *Jules) IsStoned() bool {
        return false
}

type Vince struct {}

func (vince *Vince) IsStoned() bool {
        return true
}

type Stoner interface {
        IsStoned() bool
}

func PrintStoner(s Stoner) {
        fmt.Printf("%x", s)
}

var x interface{}

main1.go

func main() {
        for i := 0; i < 10; i++ {
                fmt.Println(i)
        }
}

main2.go

func main() {
        go func() {
                for i := 0; i < 10; i++ {
                        fmt.Println(i)
                }
        }()
}

main3.go

func PrintShit() {
        for i := 0; i < 10; i++ {
                fmt.Println(i)
        }
}

func main() {
        go PrintShit()
        <-time.After(2 * time.Second)
}

main4.go

func PrintShit(done chan bool) {
        for i := 1; i < 10; i++ {
                fmt.Println(i)
        }
        done <- true
}

func main() {
        isItThereYet := make(chan bool) 
        go PrintShit(isItThereYet)
        <-isItThereYet
}

main5.go

func PrintShit() <-chan bool {
        done := make(chan bool)
        go func() {
                for i := 1; i < 10; i++ {
                        fmt.Println(i)
                }
                done <- true
        }
        return done
}

func main() {
        <-PrintShit()
}

methods.go

type Vince struct {
        isStoned bool
}

func (vince *Vince) IsStoned() bool {
        return vince.isStoned
}

func (vince *Vince) SmokePot() bool {
        vince.isStoned = true
}

type FuckingInt int

func (x FuckingInt) Square() int {
        return int(x) * int(x)
}

select.go

select {
case <-jules.Shoot():
        fmt.Println("Jules killed motherfucker")
case <-vince.Shoot():
        fmt.Println("Vince killed motherfucker")
}

select {
// *snip*
default:
        // do something while waiting for the channels.
}