zset

package
Version: v1.1.0 Latest Latest
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Published: Nov 5, 2020 License: MIT Imports: 4 Imported by: 0

Documentation

Overview

Package zset implements a kiwi.Value which can store a set with each element having score.

Index

Constants

View Source
const (
	// Insert inserts the element(s) in the zset.
	// Default score is 0.
	// If element is already present, updates the score to 0.
	//
	// Returns an array of added elements.
	Insert kiwi.Action = "INSERT"

	// Remove removes the element(s) from the zset.
	//
	// Returns an array of removed elements.
	Remove kiwi.Action = "REMOVE"

	// Increment increments the score by given value.
	//
	// Returns updated score.
	Increment kiwi.Action = "INCREMENT"

	// Len gets the length of the zset.
	//
	// Returns an integer.
	Len kiwi.Action = "LEN"

	// Get gets the score of given element.
	//
	// Returns an integer.
	Get kiwi.Action = "GET"

	// PeekMax gets the element with maximum score.
	//
	// Returns string value.
	// Returns nil if zset is empty.
	PeekMax kiwi.Action = "PEEKMAX"

	// PeekMin gets the element with minimum score.
	//
	// Returns string value.
	// Returns nil if zset is empty.
	PeekMin kiwi.Action = "PEEKMIN"
)
View Source
const Type kiwi.ValueType = "zset"

Type of zset value.

Variables

View Source
var (
	ErrInvalidParamLen   = fmt.Errorf("not enough parameters")
	ErrInvalidParamType  = fmt.Errorf("invalid paramater type")
	ErrInvalidParamValue = fmt.Errorf("invalid parameter value")
)

Various errors for zset value type.

Functions

This section is empty.

Types

type Value

type Value struct{ sortedset.SortedSet }

Value can store a set of elements having scores.

It implements the kiwi.Value interface.

func (*Value) DoMap

func (v *Value) DoMap() map[kiwi.Action]kiwi.DoFunc

DoMap returns the map of v's actions with it's do functions.

func (*Value) FromJSON

func (v *Value) FromJSON(rawmessage json.RawMessage) error

FromJSON populates the s with the data from RawMessage

func (*Value) ToJSON

func (v *Value) ToJSON() (json.RawMessage, error)

ToJSON returns the raw byte array of v's data

func (*Value) Type

func (v *Value) Type() kiwi.ValueType

Type returns v's type, i.e., "zset".

Source Files

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