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utils

package

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Versions in this module

v3

v3.0.13

Jan 6, 2026

v3.0.12

Sep 26, 2025

v3.0.11

Jul 23, 2025

v3.0.10

Jul 16, 2025

v3.0.9

Jul 16, 2025

v3.0.8

Jul 15, 2025

Changes in this version

+ func FeistelDecrypt32(v, salt uint32) uint32

+ func FeistelDecrypt64(num, key uint64) uint64

+ func FeistelEncrypt32(v, salt uint32) uint32

+ func FeistelEncrypt64(num, key uint64) uint64

+ func FeistelRound16(r, salt, round uint32) uint32

+ func FeistelRound32(r uint32, key uint64, round uint32) uint32

v3.0.7

Jul 7, 2025

v3.0.6

Jun 30, 2025

Changes in this version

+ func Unique[T comparable](arr []T) []T

v3.0.5

Jun 27, 2025

v3.0.4

Jun 27, 2025

v3.0.3

Jun 27, 2025

v3.0.2

Jun 26, 2025

v3.0.1

Jun 26, 2025

v3.0.0

Jun 26, 2025

Changes in this version

+ const CodeAborted

+ const CodeAlreadyExists

+ const CodeCanceled

+ const CodeDataLoss

+ const CodeDeadlineExceeded

+ const CodeFailedPrecondition

+ const CodeInternal

+ const CodeInvalidArgument

+ const CodeNotFound

+ const CodeOutRange

+ const CodePermissionDenied

+ const CodeResourceExhausted

+ const CodeUnauthenticated

+ const CodeUnavailable

+ const CodeUnimplemented

+ const CodeUnknown

+ const OK

+ var ErrFileSize = errors.New("file size error")

+ var ErrIpV4Address = errors.New(`invalid ip v4 address`)

+ var ErrNotFoundIp = errors.New("not found ip address")

+ var ErrRequestFailed = errors.New("request failed")

+ var JsonMarshal = json.Marshal

+ var JsonUnmarshal = json.Unmarshal

+ var YamlMarshal = yaml.Marshal

+ var YamlUnmarshal = yaml.Unmarshal

+ func Abs[V kind.Number](value V) V

+ func Acquire(lock *int64, timeout time.Duration) (token int64)

+ func Base64Decode(src []byte) (dst []byte, err error)

+ func Base64Decode2String(src []byte) (data string, err error)

+ func Base64Encode(src []byte) []byte

+ func Base64Encode2String(src []byte) string

+ func Base64UrlDecode(src []byte) (dst []byte, err error)

+ func Base64UrlEncode(src []byte) []byte

+ func BigCamelByChar(str string, char byte) string

+ func BinPath() string

+ func Black(format string, args ...any)

+ func Blue(format string, args ...any)

+ func Bytes2Bool(data []byte) bool

+ func Bytes2Float64(data []byte) float64

+ func Bytes2Int16(data []byte) int16

+ func Bytes2Int32(data []byte) int32

+ func Bytes2Int64(data []byte) int64

+ func Bytes2Int8(data []byte) int8

+ func Bytes2JpgBytes(input []byte, quality int) ([]byte, error)

+ func Bytes2String(data []byte) string

+ func Bytes2Uint16(data []byte) uint16

+ func Bytes2Uint32(data []byte) uint32

+ func Bytes2Uint64(data []byte) uint64

+ func Bytes2Uint8(data []byte) uint8

+ func Bytes2WebpBytes(input []byte, quality float32) ([]byte, error) — linux/amd64

+ func Ceil[V kind.Number](value float64) V

+ func CropThumbnailImage(img image.Image, width, height int) *image.RGBA

+ func FetchFileSize(url, referer string) (fileSize int64, err error)

+ func FileExists(fileName string) (exists bool, err error)

+ func FileTime(fileName string) (createTime, lastAccessTime, lastWriteTime int64, err error)

+ func FiveMinuteAxis() []string

+ func Fuchsia(format string, args ...any)

+ func Green(format string, args ...any)

+ func HMac(key []byte, data []byte, hash crypto.Hash) string

+ func HMacBytes(key []byte, data []byte, hash crypto.Hash) []byte

+ func Hash(data []byte, hash crypto.Hash) string

+ func HashBytes(data []byte, hash crypto.Hash) []byte

+ func HashValue(key any) uint32

+ func HexDecode(src []byte) (dst []byte, err error)

+ func HexDecode2String(src []byte) (data string, err error)

+ func HexEncode(src []byte) []byte

+ func HexEncode2String(src []byte) string

+ func Image2Webp(in, out string, quality float32) error — linux/amd64

+ func Index4Bit(key any, bitCount uint8) uint32

+ func Index4Int16(key any) int16

+ func Index4Int8(key any) int8

+ func Index4Uint8(key any) uint8

+ func Ip2Long(ip string) (ipVal uint32, err error)

+ func Join[T kind.Integer](sep string, elems ...T) string

+ func JsonDecode(data string, v any) (err error)

+ func JsonEncode(v any) (data string, err error)

+ func JsonUnmarshalFile(filePath string, v any) (err error)

+ func LcFirst(str string) string

+ func LocalIp() (ip string, err error)

+ func Long2Ip(ipVal uint32) string

+ func Markdown2Html(md []byte) []byte

+ func Markdown2HtmlWithOption(md []byte, opts ...blackfriday.Option) []byte

+ func Md5(data []byte) string

+ func MinuteAxis() []string

+ func MkDir(dir string, perm os.FileMode) (err error)

+ func ParallelDown(fileName, url, referer string, fileSize int64, parallelSize int, ...) (err error)

+ func ParallelLoad(loadList ...func() error)

+ func PprofIsRun() bool

+ func Recover(traceId, action string, handler func())

+ func Red(format string, args ...any)

+ func RedFatal(format string, args ...any)

+ func Release(lock *int64, token int64) (swapped bool)

+ func Sha1(data []byte) string

+ func Sha256(data []byte) string

+ func SmallCamelByChar(str string, char byte) string

+ func StartPprof(addr string, handler http.Handler) error

+ func StopPprof(ctx context.Context) error

+ func StopPprofWithTimeout(seconds int64) error

+ func String2Bytes(data string) []byte

+ func StringInteger[T kind.Integer](value T) string

+ func Timeout(timeout time.Duration, handler func(args ...any), args ...any) error

+ func ToString(val any) string

+ func UcFirst(str string) string

+ func YamlDecode(data string, v any) (err error)

+ func YamlEncode(v any) (data string, err error)

+ func YamlUnmarshalFile(filePath string, v any) (err error)

+ func Yellow(format string, args ...any)

Other modules containing this package

github.com/grpc-boot/base/v2