utils

README

Utils

Various utility functions.

Array Functions

• ArrayContains(array interface{}, val interface{}) (exists bool, index int)
• ArrayMerge(array ...[]interface{}) []interface{}
• ArrayEqualsInt(a []int, b []int) bool - checks whether 2 int arrays are the same
• ArrayEqualsStr(a []int, b []int) bool - checks whether 2 string arrays are the same
• ArrayReverse[T any](arr []T) []T - returns a new reversed array

arr := []string{"one", "two", "three"}
newArr := ArrayReverse(arr)
// newArr is: []string{"three", "two", "one"}

• ArrayToArrayAny[T any](arr []T) []any - converts an array of any type to array of interfaces
• IsStringArrayEqual(a, b []string) bool - Deprecated. new code should use ArrayEqualsStr

Email Functions

• EmailSend(from string, to []string, subject string, htmlMessage string) (bool, error)

Environment Variables Functions

• AppAddress() string - returns the URL address the app is running under (APP_URL:APP:PORT)
• AppEnv() string - returns the environment the app is running in (APP_ENV)
• AppInDevelopment() bool - return whether app is in development
• AppInLive() bool - return whether app is in production / live
• AppInProduction() bool - return whether app is in production / live
• AppInTesting() bool - return whether app is being tested
• AppName() string - returns the name the app is running under (APP_NAME)
• AppPort() string - returns the port the app is running under (APP_PORT)
• AppURL() string - returns the URL the app is running under (APP_URL)
• DbDriver() string - returns the database driver (DB_DRIVER)
• DbHost() string - returns the database host (DB_HOST)
• DbPort() string - returns the database port (DB_PORT)
• DbDatabase() string - returns the database name driver (DB_DATABASE)
• DbUsername() string - returns the database username (DB_USERNAME)
• DbPassword() string - returns the database password (DB_PASSWORD)
• EmailFromAddress() string - returns the mail from address (MAIL_FROM)
• EmailFromName() string - returns the mail from name (MAIL_NAME)
• Env(key string) string - returns an environment variable (i.e. Env("DB_DRIVER"))
• EnvInitialize(key string) string - Initializes an .env file, if exists. Fails loudly if the file is invalid and cannot be parsed

utils.EnvInitialize()

• EnvEncInitialize(password string)</> - Initializes an .env.vault file, if it exists

utils.EnvEncInitialize("abc")

File Functions

• FileExists(filePath string) bool
• FileGetContents(filename string) (string, error)
• FilePutContents(filename string, data string, mode os.FileMode) error - writes a string to file
• FileToBase64(filePath string) string - converts a file to Base64 encoded string
• ImgToBase64Url(filePath string) string - converts an image file to Base64 encoded URL string

HTML Functions

This functionality is moved to github.com/gouniverse/htmlutils and can be used from there

HTTP Functions

• IP(r *http.Request) string - Returns the IP address of the user
• Req(r *http.Request, key string, defaultValue string) string - Returns a POST or GET value for a key, or default if not exists
• ReqAll(r *http.Request) url.Values - Returns all request variables
• ReqArray(r *http.Request, key string, defaultValue []string) []string - return an array for a key from the request
• ReqMap(r *http.Request, key string) map[string]string - returns a map for a key from the request
• RespondJSON(w http.ResponseWriter, response api.Response) - DEPRECATED. use https://github.com/gouniverse/api

Images

• BytesToBase64Url(imgBytes []byte) string - converts bytes to Base64 encode URL string
• ImgPlaceholderURL(width, height, text string) - returns a placeholder image
• ImgToBase64Url(filePath string) string - converts an image file to Base64 encoded URL string
• PicsumURL(width int, height int, opt PicsumURLOptions) - returns an image from the online service Lorem Picsum

Interface Functions

• InterfaceToStringArray(v interface{}) []string

Link Functions

• LinkWebsite() string

Map Functions

• MapToColumn(inputMap []map[string]string, keyName string) []string - returns a column from map
• MapToKeyValue(inputMap []map[string]string, keyName string, valueName string) map[string]string - returns a key-value array from an array of maps

String Functions

• AddSlashes(str string) string - adds slashes
• Base64Decode(src string) ([]byte, error) - decodes a string from Base64
• Base64Encode(src []byte) string - encodes a string to Base64
• StrBetween(str string, startNeedle string, endNeedle string) (result string, found bool) - returns the substring between two needles
• StrContainsOnlySpecifiedCharacters(str string, chars string) bool - checks string contains character from the specified in the chars parameter
• StrLeftFrom(s string, needle, string) string - returns the substring on the left side of the needle
• StrPadLeftFrom(s string, padLength int, pad string) string - returns the string padded on the left side
• StrRandom(len int) string - generates a random string
• StrRandomFromGamma(length int, gamma string) string - generates random string of specified length with the characters specified in the gamma string
• StrRightFrom(s string, needle, string) string - returns the substring on the right side of the needle
• StrSlugify(s string, replaceWith rune) string - converts a string to slug
• StrToBcryptHash(str string) (string, error) - converts a string to bcrypt hash
• StrToBcryptHashCompare(str string, hash string) - compares a string to a bcrypt hash
• StrToFloat(s string) (int, error) - converts a string to Float32
• StrToFloat64(s string) (int64, error) - converts a string to Float64
• StrToInt(s string) (int, error) - converts a string to Int32
• StrToInt64(s string) (int64, error) - converts a string to Int64
• StrToMD5Hash(text string) string - StrToMD5Hash converts a string to MD5 hash
• StrToSHA1Hash(text string) string - StrToSHA1Hash converts a string to SHA1 hash
• StrToSHA256Hash(text string) string - converts a string to SHA256 hash
• TemplateParseString(template string, data) string - parses a template file and returns as string
• ToString(v interface{}) string - converts an interface to string

Time Functions

• StrToTimeUnix(str string) (int64, error) - converts string to Unix time

time, err := StrToTimeUnix("2020-12-29 11:00:00")

Other Functions

• ArgsToMap([]string) map[string]string - converts an CLI arguments array to map
• CookieGet(r *http.Request, name string) string - gets a cookie
• CookieRemove(w http.ResponseWriter, r *http.Request, name string) - removes a cookie
• CookieSet(w http.ResponseWriter, r *http.Request, name string, value string, seconds int) - sets a cookie
• Exec(cms string, args... string) map[string]string - executes a CLI command
• ExecLine(cmd string) map[string]string - executes a full CLI command
• IsInt(s string) bool - checks if a string is integer
• IsFloat(s string) bool - checks if a string is float
• IsJSON(s string) bool - naive implementation for rough and fast check if a string is JSON
• IsNumeric(s string) bool - checks if a string is numeric
• IsZero[T comparable](v T) bool
• FromJSON(jsonString string, valueDefault interface{}) (interface{}, error) - JSON decodes a string
• RandBool() bool - returns a random boolean value

random := RandBool()

• ToJSON(value interface{}) (string, error) - JSON encodes a value
• ToBool(str string) bool - converts a string with common names ("yes", "true", "1") to boolean
• ZeroT any (ret T)

isDebugEnabled := ToBool("yes")

• ToFloat(value str) (float64, error) - converts a string to float
• ToInt(value str) (int64, error) - converts a string to int
• XOREncode(buffer []byte, key []byte) []byte - XOR encodes a byte array
• XORDencode(buffer []byte, key []byte) []byte - XOR decodes a byte array

Change Log

2024-02-10 - Added EnvEncInitialize functions

2024-01-20 - Added RandBool, ReqMap, BytesToBase64Url functions

2023-10-13 - Added function IsJSON, IsZero, Zero, removed deprecations

2023-01-27 - Added function PicsumURL

2022-09-10 - Added function StrContainsOnlySpecifiedCharacters

2022-08-28 - Added function StrToInt, StrToInt64, StrToFloat, StrToFloat64

2022-08-27 - Added function ToInt, ToFloat, IsInt, IsFloat, IsEmpty

2022-08-17 - Added functions ImgPlaceholderURL

2022-08-11 - Added functions StrToBcryptHash, StrToBcryptHashCompare

2022-08-06 - Added function ToBool

2022-08-04 - Added functions CookieGet, CookieSet, FromJSON, ToJSON, XORDecode, XOREncode

2022-08-02 - Added function ArrayReverse

2022-07-31 - Added functions ArrayEqualsInt, ArrayEqualsStr

2022-07-30 - Added functions StrBetween, StrRandom, StrRandomFromGamma, StrToBytes. Deprecated RandStr, RandStrFromGamma

2022-07-28 - Added functions StrLeftFrom, StrRightFrom

2022-06-01 - Moved Fiber functions into separate repo to remove extra dependencies on Fiber

2021-07-19 - Added functions AppInDevelopment, AppInLive, AppInProduction, AppInTesting

Other Similar Utility Libraries

• https://github.com/samber/lo (14k stars) - A Lodash-style Go library (map, filter, contains, find...)
• https://github.com/shopspring/decimal (5.3k stars) - Arbitrary-precision fixed-point decimal numbers in go
• https://github.com/duke-git/lancet (2.3k stars) - A comprehensive, efficient, and reusable util function library of Go.
• https://github.com/gookit/goutil (1.7k stars) - Helper Utils(700+): int, byte, string, array/slice, map, struct, dump, convert/format, error, web/http, cli/flag, OS/ENV, filesystem, system, test/assert
• https://github.com/shomali11/util (280 stars) - A collection of useful utility functions
• https://github.com/juju/utils (210 stars) - General utility functions
• https://github.com/go-assist/helper
• https://github.com/billmi/go-utils
• https://github.com/Nx-117/cyan (53 stars)
• https://github.com/dablelv/go-huge-util (48 stars)
• https://github.com/ik5/gostrutils (35 stars)
• https://github.com/dyweb/gommon (26 stars)
• https://github.com/corestoreio/pkg
• https://github.com/appleboy/com (17 stars)
• https://github.com/Akagi201/utils-go

Consider To Include (May Be)

• https://github.com/barkimedes/go-deepcopy
• https://github.com/spf13/cast

Documentation

Index

• func AddSlashes(str string) string
• func AppAddress() string
• func AppEnv() string
• func AppInDevelopment() bool
• func AppInLive() bool
• func AppInProduction() bool
• func AppInTesting() bool
• func AppName() string
• func AppPort() string
• func AppURL() string
• func ArgsToMap(args []string) map[string]string
• func ArrayContains(array interface{}, val interface{}) (exists bool, index int)
• func ArrayEqualsInt(a []int, b []int) bool
• func ArrayEqualsStr(a, b []string) bool
• func ArrayMerge(array ...[]interface{}) []interface{}
• func ArrayReverse[T any](arr []T) []T
• func ArrayToArrayAny[T any](arr []T) []any
• func ArrayUnique(strSlice []string) []string
• func Base64Decode(src string) ([]byte, error)
• func Base64Encode(src []byte) string
• func BytesToBase64Url(imgBytes []byte) string
• func CookieGet(r *http.Request, name string) string
• func CookieRemove(w http.ResponseWriter, r *http.Request, name string)
• func CookieSet(w http.ResponseWriter, r *http.Request, name string, value string, seconds int)
• func DbDatabase() string
• func DbDriver() string
• func DbHost() string
• func DbPassword() string
• func DbPort() string
• func DbQuery(db *sql.DB, query string) (result map[int]map[string]string, err error)
• func DbUsername() string
• func EmailFromAddress() string
• func EmailFromName() string
• func EmailSend(from string, to []string, subject string, htmlMessage string) (bool, error)
• func Env(key string) string
• func EnvEncInitialize(password string)
• func EnvInitialize()
• func Exec(cmd string, args ...string)
• func ExecLine(cmd string)
• func FileExists(filePath string) bool
• func FileGetContents(filename string) (string, error)
• func FilePutContents(filename string, data string, mode os.FileMode) error
• func FileSaveToTempDir(fileName string, file multipart.File) (string, error)
• func FileToBase64(filePath string) string
• func FromJSON(jsonString string, valueDefault interface{}) (interface{}, error)
• func IP(r *http.Request) string
• func ImgPlaceholderURL(width int, height int, text string) string
• func ImgToBase64Url(filePath string) string
• func InArray(val interface{}, array interface{}) (index int)
• func InterfaceToStringArray(v interface{}) []string
• func IsEmpty(str string) bool
• func IsFloat(str string) bool
• func IsInt(str string) bool
• func IsJSON(str string) bool
• func IsNumeric(s string) bool
• func IsStringArrayEqual(a, b []string) bool
• func IsZero[T comparable](v T) bool
• func JSONDecode(jsonString string, valueDefault interface{}) (interface{}, error)
• func JSONEncode(value interface{}) (string, error)
• func LinkWebsite() string
• func MapToColumn(inputMap []map[string]string, keyName string) []string
• func MapToKeyValue(inputMap []map[string]string, keyName string, valueName string) map[string]string
• func PicsumURL(width int, height int, opt PicsumURLOptions) string
• func PxToString(px int) string
• func RandBool() bool
• func Req(r *http.Request, key string, defaultValue string) string
• func ReqAll(r *http.Request) url.Values
• func ReqArray(r *http.Request, key string, defaultValue []string) []string
• func ReqMap(r *http.Request, key string) map[string]string
• func RespondJSON(w http.ResponseWriter, response api.Response)
• func StrBetween(str string, startNeedle string, endNeedle string) (result string, found bool)
• func StrContainsOnlySpecifiedCharacters(str string, chars string) bool
• func StrLeftFrom(str, needle string) string
• func StrPadLeft(input string, padLength int, padString string) string
• func StrRandom(length int) string
• func StrRandomFromGamma(length int, gamma string) string
• func StrRightFrom(str, needle string) string
• func StrSlugify(s string, replaceWith rune) string
• func StrToBcryptHash(str string) (string, error)
• func StrToBcryptHashCompare(str string, hash string) bool
• func StrToBytes(s string) []byte
• func StrToFloat(s string) (float32, error)
• func StrToFloat64(s string) (float64, error)
• func StrToInt(s string) (int, error)
• func StrToInt64(s string) (int64, error)
• func StrToMD5Hash(text string) string
• func StrToSHA1Hash(text string) string
• func StrToSHA256Hash(text string) string
• func StrToTimeUnix(str string) (int64, error)
• func TemplateParseString(templateString string, data interface{}) string
• func ToBool(str string) bool
• func ToFloat(value interface{}) (res float64, err error)
• func ToInt(value interface{}) (res int64, err error)
• func ToJSON(value interface{}) (string, error)
• func ToString(v interface{}) string
• func Unlink(filename string) error
• func XORDencode(buffer []byte, key []byte) []byte
• func XOREncode(buffer []byte, key []byte) []byte
• func Zero[T any]() (ret T)
• type PicsumURLOptions

Functions

func AddSlashes

func AddSlashes(str string) string

AddSlashes returns a string with backslashes added before characters that need to be escaped.

These characters are: single quote (') double quote (") backslash (\)

func AppAddress

func AppAddress() string

AppAddress return the full URL and PORT for the app

func AppEnv

func AppEnv() string

AppEnv returns the environment the app is running in

func AppInDevelopment

func AppInDevelopment() bool

AppInDevelopment return whether app is in development

func AppInLive

func AppInLive() bool

AppInProduction return whether app is in production / live

func AppInProduction

func AppInProduction() bool

AppInProduction return whether app is in production / live

func AppInTesting

func AppInTesting() bool

AppInTesting return whether app is being tested

func AppName

func AppName() string

AppName return the name for the app

func AppPort

func AppPort() string

AppPort return the port for the app

func AppURL

func AppURL() string

AppURL return the URL for the app

func ArgsToMap

func ArgsToMap(args []string) map[string]string

ArgsToMap converts command line arguments to a key value map supports filled (i.e. --user=12) and unfilled (i.e. --force) arguments

func ArrayContains

func ArrayContains(array interface{}, val interface{}) (exists bool, index int)

ArrayContains checks whether an array contains the specified value

func ArrayEqualsInt

func ArrayEqualsInt(a []int, b []int) bool

ArrayEquals checks whether 2 string arrays are the same

func ArrayEqualsStr

func ArrayEqualsStr(a, b []string) bool

ArrayEquals checks whether 2 string arrays are the same

func ArrayMerge

func ArrayMerge(array ...[]interface{}) []interface{}

ArrayMerge merges two arrays

func ArrayReverse

func ArrayReverse[T any](arr []T) []T

ArrayReverse creates a new reversed array

func ArrayToArrayAny

func ArrayToArrayAny[T any](arr []T) []any

ArrayToArrayAny converts an array of any type to array of interfaces

func ArrayUnique

func ArrayUnique(strSlice []string) []string

TODO. ArrayUnique removes duplicate strings from a string slice

func Base64Decode

func Base64Decode(src string) ([]byte, error)

Base64Encode decodes a string from Base64

func Base64Encode

func Base64Encode(src []byte) string

Base64Encode encodes a string to Base64

func BytesToBase64Url

func BytesToBase64Url(imgBytes []byte) string

func CookieGet

func CookieGet(r *http.Request, name string) string

func CookieRemove

func CookieRemove(w http.ResponseWriter, r *http.Request, name string)

func CookieSet

func CookieSet(w http.ResponseWriter, r *http.Request, name string, value string, seconds int)

func DbDatabase

func DbDatabase() string

DbDatabase return the name of the database

func DbDriver

func DbDriver() string

DbDriver returns the driver of the database

func DbHost

func DbHost() string

DbHost return the host of the database

func DbPassword

func DbPassword() string

DbPassword return the password for the database

func DbPort

func DbPort() string

DbPort return the port of the database

func DbQuery

func DbQuery(db *sql.DB, query string) (result map[int]map[string]string, err error)

DbQuery executes a SQL query and returns array of key value maps

func DbUsername

func DbUsername() string

DbUsername return the username of the database

func EmailFromAddress

func EmailFromAddress() string

EmailFromAddress return the URL for the app

func EmailFromName

func EmailFromName() string

EmailFromName return the URL for the app

func EmailSend

func EmailSend(from string, to []string, subject string, htmlMessage string) (bool, error)

EmailSend sends an email

func Env

func Env(key string) string

Env returns the value for an environment key

func EnvEncInitialize

func EnvEncInitialize(password string)

func EnvInitialize

func EnvInitialize()

EnvInitialize initializes the environment variables

func Exec

func Exec(cmd string, args ...string)

Exec executes a system command using the the standard package "os/exec".

func ExecLine

func ExecLine(cmd string)

ExecLine executes a full system command line string containing the arguments using for the standard package "os/exec".

func FileExists

func FileExists(filePath string) bool

FileExists checks if a file exists

func FileGetContents

func FileGetContents(filename string) (string, error)

FileGetContents reads entire file into a string

func FilePutContents

func FilePutContents(filename string, data string, mode os.FileMode) error

FilePutContents adds content to file

func FileSaveToTempDir

func FileSaveToTempDir(fileName string, file multipart.File) (string, error)

func FileToBase64

func FileToBase64(filePath string) string

FileToBase64 converts a file to Base64 encoded string

func FromJSON

func FromJSON(jsonString string, valueDefault interface{}) (interface{}, error)

func IP

func IP(r *http.Request) string

IP gets the IP address for the user

func ImgPlaceholderURL

func ImgPlaceholderURL(width int, height int, text string) string

ImgPlaceholderURL returns a placeholder image

func ImgToBase64Url

func ImgToBase64Url(filePath string) string

ImgToBase64Url converts an image file to Base64 encoded URL string

func InArray

func InArray(val interface{}, array interface{}) (index int)

TODO. Update ArrayContents to use this style as its more readable

func InterfaceToStringArray

func InterfaceToStringArray(v interface{}) []string

InterfaceToStringArray converts an interface to String array

func IsEmpty

func IsEmpty(str string) bool

IsEmpty checks if the string is empty

func IsFloat

func IsFloat(str string) bool

IsFloat checks if the string is a float.

func IsInt

func IsInt(str string) bool

IsInt checks if the string is an integer. Empty string is valid.

func IsJSON

func IsJSON(str string) bool

IsJSON is naive implementation for superficial, rough and fast checking for JSON

func IsNumeric

func IsNumeric(s string) bool

IsNumeric checks if a string is numeric

func IsStringArrayEqual

func IsStringArrayEqual(a, b []string) bool

IsStringArrayEqual checks whether 2 string arrays are the same

func IsZero

func IsZero[T comparable](v T) bool

func JSONDecode

func JSONDecode(jsonString string, valueDefault interface{}) (interface{}, error)

JSONDecode shortcode for FromJSON

func JSONEncode

func JSONEncode(value interface{}) (string, error)

JSONEncode shortcut to ToJSON

func LinkWebsite

func LinkWebsite() string

LinkWebsite returns a URL to the current website

func MapToColumn

func MapToColumn(inputMap []map[string]string, keyName string) []string

MapToColumn Returns a column from map

func MapToKeyValue

func MapToKeyValue(inputMap []map[string]string, keyName string, valueName string) map[string]string

MapToKeyValue returns a key-value array an array of maps

func PicsumURL

func PicsumURL(width int, height int, opt PicsumURLOptions) string

PicsumURL generates an image URL for the Lorem Picsum online service More info can be found at its website: https://picsum.photos/

func PxToString

func PxToString(px int) string

PxToString converts int to string (i.e. 1px)

func RandBool

func RandBool() bool

RandBool returns a random boolean value

func Req

func Req(r *http.Request, key string, defaultValue string) string

Req returns a POST or GET key, or default if not exists

func ReqAll

func ReqAll(r *http.Request) url.Values

ReqAll returns all request variables

func ReqArray

func ReqArray(r *http.Request, key string, defaultValue []string) []string

func ReqMap

func ReqMap(r *http.Request, key string) map[string]string

ReqMap returns a map from the request

func RespondJSON

func RespondJSON(w http.ResponseWriter, response api.Response)

RespondJSON returns an API response as JSON

func StrBetween

func StrBetween(str string, startNeedle string, endNeedle string) (result string, found bool)

StrBetween returns the string between two needles

func StrContainsOnlySpecifiedCharacters

func StrContainsOnlySpecifiedCharacters(str string, chars string) bool

func StrLeftFrom

func StrLeftFrom(str, needle string) string

StrLeftFrom returns the substring on the left side of the needle

func StrPadLeft

func StrPadLeft(input string, padLength int, padString string) string

func StrRandom

func StrRandom(length int) string

StrRandom generates random string of specified length

func StrRandomFromGamma

func StrRandomFromGamma(length int, gamma string) string

StrRandomFromGamma generates random string of specified length with the characters specified in the gamma string

func StrRightFrom

func StrRightFrom(str, needle string) string

StrRightFrom returns the substring on the left side of the needle

func StrSlugify

func StrSlugify(s string, replaceWith rune) string

StrSlugify replaces each run of characters which are not ASCII letters or numbers with the Replacement character, except for leading or trailing runs. Letters will be stripped of diacritical marks and lowercased. Letter or number codepoints that do not have combining marks or a lower-cased variant will be passed through unaltered.

func StrToBcryptHash

func StrToBcryptHash(str string) (string, error)

StrToBcryptHash converts the string to bcrypt hash

func StrToBcryptHashCompare

func StrToBcryptHashCompare(str string, hash string) bool

StrToBcryptHashCompare compares the string to a bcrypt hash

func StrToBytes

func StrToBytes(s string) []byte

StrToBytes converts string to bytes

func StrToFloat

func StrToFloat(s string) (float32, error)

StrToFloat converts a string to Float32

func StrToFloat64

func StrToFloat64(s string) (float64, error)

StrToFloat64 converts a string to Float64

func StrToInt

func StrToInt(s string) (int, error)

StrToInt converts a string to Int32

func StrToInt64

func StrToInt64(s string) (int64, error)

StrToInt64 converts a string to Int64

func StrToMD5Hash

func StrToMD5Hash(text string) string

StrToMD5Hash converts a string to MD5 hash

func StrToSHA1Hash

func StrToSHA1Hash(text string) string

StrToSHA1Hash converts a string to SHA1 hash

func StrToSHA256Hash

func StrToSHA256Hash(text string) string

StrToSHA256Hash converts a string to SHA256 hash

func StrToTimeUnix

func StrToTimeUnix(str string) (int64, error)

StrToTimeUnix converts sting to Unix time

func TemplateParseString

func TemplateParseString(templateString string, data interface{}) string

TemplateParseString parses a template string with the passed data

func ToBool

func ToBool(str string) bool

ToBool converts a string with common names ("yes", "true", "1") to boolean

func ToFloat

func ToFloat(value interface{}) (res float64, err error)

ToFloat convert the input string to a float, or 0.0 if the input is not a float.

func ToInt

func ToInt(value interface{}) (res int64, err error)

ToInt convert the input string or any int type to an integer type 64, or 0 if the input is not an integer.

func ToJSON

func ToJSON(value interface{}) (string, error)

func ToString

func ToString(v interface{}) string

ToString converts an interface to string

func Unlink

func Unlink(filename string) error

Unlink deletes a file

func XORDencode

func XORDencode(buffer []byte, key []byte) []byte

func XOREncode

func XOREncode(buffer []byte, key []byte) []byte

func Zero

func Zero[T any]() (ret T)

Types

type PicsumURLOptions

type PicsumURLOptions struct {
	ID        int
	Blur      int // 1 to 10
	Grayscale bool
	Seed      string // if you want random image (but staying the same)
}