prow/plugins/blunderbuss/blunderbuss.go
func popRandom(set sets.String) string {
	list := set.List()
	sort.Strings(list)
	sel := list[rand.Intn(len(list))]
	set.Delete(sel)
	return sel
}
func popRandom(set sets.String) string {
	list := set.List()
	sort.Strings(list)
	sel := list[rand.Intn(len(list))]
	set.Delete(sel)
	return sel
}
func popRandom ( set sets . String ) string { list := set . List ( ) sort . Strings ( list ) sel := list [ rand . Intn ( len ( list ) ) ] set . Delete ( sel ) return sel }
// popRandom randomly selects an element of 'set' and pops it.
popRandom randomly selects an element of set and pops it .