indexpriorityqueue

type IndexPriorityQueue[T any] interface {
	// Size gets number of elements in a queue.
	Size() int
	// Insert adds element to a queue.
	Insert(key int, element T)
	// Remove removes element from a queue.
	Remove() (T, int)
	// Peek returns first element of a queue.
	Peek() T
	// RemoveByKey removes element by key.
	RemoveByKey(key int) T
	// PeekKey returns first element key.
	PeekKey() int
	// HasKey tells if key exists.
	HasKey(key int) bool
}

type LessFunc[T any] func(lhs, rhs T) bool