heap

type Constraint[KEY comparable, VALUE any] interface {
	FormStoreKey(VALUE) KEY
	Less(VALUE, VALUE) bool
}

type Heap[V any] interface {
	Add(value V)
	Delete(value V) error
	Peek() (V, error)
	Pop() (V, error)
	Get(value V) (V, bool)
	List() []V
	Len() int
}

type Interface[VALUE any] interface {
	sort.Interface
	Push(x VALUE)
	Pop() (VALUE, error)
}