Pick a random value from a Go Slice

Question

Situation:

I\'ve a slice of values and need to pick up a randomly chosen value from it. Then I want to concatenate it with a fixed string. This is my co

Answer 1

Just pick a random integer mod slice length:

rand.Seed(time.Now().Unix())
reasons := []string{
    "Locked out",
    "Pipes broke",
    "Food poisoning",
    "Not feeling well",
}
n := rand.Int() % len(reasons)
fmt.Print("Gonna work from home...", reasons[n])

Playground: http://play.golang.org/p/fEHElLJrEZ. (Note the commend about rand.Seed.)