basefn

func CallOn ¶

func CallOn(cond bool, fn ErrFunc) error

CallOn call func on condition is true

func CallOrElse ¶

func CallOrElse(cond bool, okFn, elseFn ErrFunc) error

CallOrElse call okFunc() on condition is true, else call elseFn()

func DataSize ¶ added in v0.6.8

func DataSize(size uint64) string

DataSize format bytes number friendly.

Usage:

file, err := os.Open(path)
fl, err := file.Stat()
fmtSize := DataSize(fl.Size())

func ErrOnFail ¶

func ErrOnFail(cond bool, err error) error

ErrOnFail return input error on cond is false, otherwise return nil

func FirstOr ¶

func FirstOr[T any](sl []T, elseVal T) T

FirstOr get first elem or elseVal

func HowLongAgo ¶ added in v0.6.8

func HowLongAgo(sec int64) string

HowLongAgo format a seconds, get how lang ago

func Must ¶

func Must[T any](v T, err error) T

Must if error is not empty, will panic

func MustOK ¶

func MustOK(err error)

MustOK if error is not empty, will panic

func OrError ¶

func OrError(cond bool, err error) error

OrError return input error on cond is false, otherwise return nil

func OrReturn ¶

func OrReturn[T any](cond bool, okFn, elseFn func() T) T

OrReturn call okFunc() on condition is true, else call elseFn()

func OrValue ¶

func OrValue[T any](cond bool, okVal, elVal T) T

OrValue get

func Panicf ¶

func Panicf(format string, v ...any)

Panicf format panic message use fmt.Sprintf