rand

package module

v0.0.0-...-d037456 Latest Latest Go to latest Published: Dec 5, 2018 License: MIT Imports: 6 Imported by: 0

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Repository

github.com/LyricTian/rand

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Open Source Insights

README ¶

rand

A random library for Go.

Usage

$ go get -u -v github.com/LyricTian/rand

Import package

import "github.com/LyricTian/rand"

Generate a random string

rand.MustRandom(6, rand.Ldigit)
// 939430

Generate a short string

rand.MustShortStr([]byte("https://www.google.com"), 6, rand.Ldigit)
// [XZ1599 Xy8I3U KAHc2K NftD8p]

Random flag:

Ldigit
LlowerCase
LupperCase
LlowerAndUpperCase
LdigitAndLowerCase
LdigitAndUpperCase
LdigitAndLetter

Generate a random UUID

rand.MustUUID()
// a306e54f-672f-4011-889d-d09e98cbea89

MIT License

Copyright (c) 2018 Lyric

Documentation ¶

Index ¶

Constants
Variables
func MustRandom(length, flag int) string
func MustShortStr(data []byte, length, flag int) []string
func MustUUID() string
func Random(length, flag int) (string, error)
func ShortStr(data []byte, length, flag int) ([]string, error)
func UUID() (string, error)

Constants ¶

View Source

const (
	Ldigit = 1 << iota
	LlowerCase
	LupperCase
	LlowerAndUpperCase = LlowerCase | LupperCase
	LdigitAndLowerCase = Ldigit | LlowerCase
	LdigitAndUpperCase = Ldigit | LupperCase
	LdigitAndLetter    = Ldigit | LlowerCase | LupperCase
)

define a flag that generates a random string

Variables ¶

View Source

var (
	ErrInvalidLength = errors.New("invalid random length")
	ErrInvalidFlag   = errors.New("invalid random flag")
)

definition error

Functions ¶

func MustRandom ¶

func MustRandom(length, flag int) string

MustRandom generate a random string specifying the length of the random number and the random flag (panic if an error occurs)

func MustShortStr ¶

func MustShortStr(data []byte, length, flag int) []string

MustShortStr get a set of short strings of length (panic if an error occurs)

func MustUUID ¶

func MustUUID() string

MustUUID generate a random UUID (panic if an error occurs)

func Random ¶

func Random(length, flag int) (string, error)

Random generate a random string specifying the length of the random number and the random flag

func ShortStr ¶

func ShortStr(data []byte, length, flag int) ([]string, error)

ShortStr get a set of short strings of length

func UUID ¶

func UUID() (string, error)

UUID generate a random UUID, reference: https://github.com/google/uuid/blob/master/version4.go

Types ¶

This section is empty.

Source Files ¶

View all Source files

rand.go

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