contrib/recipes/priority_queue.go
func NewPriorityQueue(client *v3.Client, key string) *PriorityQueue {
	return &PriorityQueue{client, context.TODO(), key + "/"}
}
func NewPriorityQueue(client *v3.Client, key string) *PriorityQueue {
	return &PriorityQueue{client, context.TODO(), key + "/"}
}
func NewPriorityQueue ( client * v3 . Client , key string ) * PriorityQueue { return & PriorityQueue { client , context . TODO ( ) , key + " " } }
// NewPriorityQueue creates an etcd priority queue.
NewPriorityQueue creates an etcd priority queue .