skiplist

package module

v1.0.0 Latest Latest Go to latest Published: Feb 25, 2018 License: MIT Imports: 4 Imported by: 5

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Skiplist implementation for Go. Comes with tests. Currently no docs, but it's pretty obvious stuff.

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type Cmp int8

const (
	LT Cmp = iota - 1
	EQ
	GT
)

type Comparable interface {
	Compare(Comparable) Cmp
}

type Node struct {
	Key   Comparable
	Value interface{}
	// contains filtered or unexported fields
}

func (n *Node) Get(k Comparable) *Node

func (n *Node) Insert(k Comparable, v interface{}) *Node

func (n *Node) Next() *Node

func (n *Node) Prev() *Node

func (n *Node) Remove() interface{}

func (n *Node) Reposition(k Comparable)

func (n *Node) String() string

type SkipList struct {
	// contains filtered or unexported fields
}

func New(rng *rand.Rand) *SkipList

func (s *SkipList) First() *Node

func (s *SkipList) Get(k Comparable) *Node

func (s *SkipList) Insert(k Comparable, v interface{}) *Node

func (s *SkipList) Last() *Node

func (s *SkipList) Len() uint

func (s *SkipList) Merge(t *SkipList)

NB: this destroys t. Do not use t after this.

func (s *SkipList) Remove(k Comparable) interface{}

func (s *SkipList) String() string