package main

type foo struct {
	number int
}

var foos []foo

func init() {
	foos = make([]foo, 3)
}

func getFoo(n int) *foo {
	foos[len(foos)-1] = foo{} // IsInBounds
	if len(foos) != 0 {
		foos[len(foos)-1] = foo{} // No IsInBounds
		return &foos[n%len(foos)] // IsInBounds
	}
	return nil
}

func main() {

}