utils

Documentation

Overview

Package utils provide useful functions for skynet.

Index

• func CalcPage(page int, size int, len int) (int, int, bool)
• func CheckVersion(ver string, constraint string) (bool, error)
• func DownloadFile(ctx context.Context, url string, path string) error
• func FileExist(path string) bool
• func MD5(str string) string
• func Max[T constraints.Ordered](a T, b T) T
• func Min[T constraints.Ordered](a T, b T) T
• func MustMarshal(v any) string
• func RandString(n int) string

Functions

func CalcPage

func CalcPage(page int, size int, len int) (int, int, bool)

func CheckVersion

func CheckVersion(ver string, constraint string) (bool, error)

CheckVersion checks ver with constraint string.

CheckVersion("1.0.1", ">= 1.0, < 1.1")

func DownloadFile

func DownloadFile(ctx context.Context, url string, path string) error

DownloadFile download url to path.

func FileExist

func FileExist(path string) bool

FileExist returns whether file in path exist.

func MD5

func MD5(str string) string

MD5 returns md5 hash of str.

func Max

func Max[T constraints.Ordered](a T, b T) T

func Min

func Min[T constraints.Ordered](a T, b T) T

func MustMarshal

func MustMarshal(v any) string

func RandString

func RandString(n int) string

RandString returns n length random string [a-zA-Z0-9]+