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Types ¶
type Item ¶
type Item struct {
Value string // The value of the item; arbitrary.
Priority int // The priority of the item in the queue.
// The index is needed by update and is maintained by the heap.Interface methods.
Index int // The index of the item in the heap.
}
An Item is something we manage in a priority queue.
type PriorityQueue ¶
type PriorityQueue []*Item
A PriorityQueue implements heap.Interface and holds Items.
func (PriorityQueue) Len ¶
func (pq PriorityQueue) Len() int
func (PriorityQueue) Less ¶
func (pq PriorityQueue) Less(i, j int) bool
func (*PriorityQueue) Pop ¶
func (pq *PriorityQueue) Pop() interface{}
Pop value of an Item from the queue.
func (*PriorityQueue) Push ¶
func (pq *PriorityQueue) Push(x interface{})
Push value of an Item in the queue.
func (PriorityQueue) Swap ¶
func (pq PriorityQueue) Swap(i, j int)
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