utils

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 Go to latest Published: Jan 7, 2026 License: MIT Imports: 23 Imported by: 116

README

Fiber Utils

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A collection of common functions for Fiber with better performance, fewer allocations, and fewer dependencies.

Benchmarks

Environment: goos: darwin goarch: amd64 pkg: github.com/gofiber/utils cpu: Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz

// go test -benchmem -run=^$ -bench=Benchmark_ -count=2

Benchmark_ToLowerBytes/fiber-12             29715831   36.44  ns/op    0  B/op  0  allocs/op
Benchmark_ToLowerBytes/fiber-12             33316479   36.28  ns/op    0  B/op  0  allocs/op
Benchmark_ToLowerBytes/default-12           11894427   96.98  ns/op   80  B/op  1  allocs/op
Benchmark_ToLowerBytes/default-12           12217050   97.43  ns/op   80  B/op  1  allocs/op

Benchmark_ToUpperBytes/fiber-12             22042162   46.92  ns/op    0  B/op  0  allocs/op
Benchmark_ToUpperBytes/fiber-12             25859680   46.43  ns/op    0  B/op  0  allocs/op
Benchmark_ToUpperBytes/default-12           10015346   117.2  ns/op   80  B/op  1  allocs/op
Benchmark_ToUpperBytes/default-12           10185375   117.8  ns/op   80  B/op  1  allocs/op

Benchmark_TrimRight/fiber-12               522399795   2.138  ns/op    0  B/op  0  allocs/op
Benchmark_TrimRight/fiber-12               578245326   2.084  ns/op    0  B/op  0  allocs/op
Benchmark_TrimRight/default-12             345155300   3.380  ns/op    0  B/op  0  allocs/op
Benchmark_TrimRight/default-12             366972850   3.328  ns/op    0  B/op  0  allocs/op

Benchmark_TrimRightBytes/fiber-12          586471208   2.099  ns/op    0  B/op  0  allocs/op
Benchmark_TrimRightBytes/fiber-12          576055069   2.087  ns/op    0  B/op  0  allocs/op
Benchmark_TrimRightBytes/default-12        348849292   3.316  ns/op    0  B/op  0  allocs/op
Benchmark_TrimRightBytes/default-12        359904445   3.384  ns/op    0  B/op  0  allocs/op

Benchmark_TrimLeft/fiber-12                578044544   2.122  ns/op    0  B/op  0  allocs/op
Benchmark_TrimLeft/fiber-12                585290433   2.074  ns/op    0  B/op  0  allocs/op
Benchmark_TrimLeft/default-12              351906888   3.667  ns/op    0  B/op  0  allocs/op
Benchmark_TrimLeft/default-12              330852666   3.448  ns/op    0  B/op  0  allocs/op

Benchmark_TrimLeftBytes/fiber-12           545400109   2.239  ns/op    0  B/op  0  allocs/op
Benchmark_TrimLeftBytes/fiber-12           544800061   2.270  ns/op    0  B/op  0  allocs/op
Benchmark_TrimLeftBytes/default-12         329749006   3.521  ns/op    0  B/op  0  allocs/op
Benchmark_TrimLeftBytes/default-12         344199560   3.452  ns/op    0  B/op  0  allocs/op

Benchmark_Trim/fiber-12                    280692232   4.128  ns/op    0  B/op  0  allocs/op
Benchmark_Trim/fiber-12                    297070083   3.961  ns/op    0  B/op  0  allocs/op
Benchmark_Trim/default-12                  232522952   5.163  ns/op    0  B/op  0  allocs/op
Benchmark_Trim/default-12                  230659057   5.172  ns/op    0  B/op  0  allocs/op
Benchmark_Trim/default.trimspace-12        227328967   5.245  ns/op    0  B/op  0  allocs/op
Benchmark_Trim/default.trimspace-12        227340775   5.253  ns/op    0  B/op  0  allocs/op

Benchmark_TrimBytes/fiber-12               275612090   4.280  ns/op    0  B/op  0  allocs/op
Benchmark_TrimBytes/fiber-12               284892168   4.302  ns/op    0  B/op  0  allocs/op
Benchmark_TrimBytes/default-12             224021550   5.163  ns/op    0  B/op  0  allocs/op
Benchmark_TrimBytes/default-12             239689282   4.922  ns/op    0  B/op  0  allocs/op
Benchmark_TrimBytes/default.trimspace-12   216809300   5.514  ns/op    0  B/op  0  allocs/op
Benchmark_TrimBytes/default.trimspace-12   218177734   5.603  ns/op    0  B/op  0  allocs/op

Benchmark_EqualFoldBytes/fiber-12           22944849   47.14  ns/op    0  B/op  0  allocs/op
Benchmark_EqualFoldBytes/fiber-12           26006342   46.82  ns/op    0  B/op  0  allocs/op
Benchmark_EqualFoldBytes/default-12          5222006   222.5  ns/op    0  B/op  0  allocs/op
Benchmark_EqualFoldBytes/default-12          5349398   223.2  ns/op    0  B/op  0  allocs/op

Benchmark_EqualFold/fiber-12                24761037   48.63  ns/op    0  B/op  0  allocs/op
Benchmark_EqualFold/fiber-12                24159073   48.63  ns/op    0  B/op  0  allocs/op
Benchmark_EqualFold/default-12               6322188   191.5  ns/op    0  B/op  0  allocs/op
Benchmark_EqualFold/default-12               6319070   193.5  ns/op    0  B/op  0  allocs/op

Benchmark_UUID/fiber-12                     22061482   49.13  ns/op   48  B/op  1  allocs/op
Benchmark_UUID/fiber-12                     24123198   48.40  ns/op   48  B/op  1  allocs/op
Benchmark_UUID/default-12                    3581961   336.9  ns/op  168  B/op  6  allocs/op
Benchmark_UUID/default-12                    3465946   344.8  ns/op  168  B/op  6  allocs/op

Benchmark_ConvertToBytes/fiber-12           53392819   23.19  ns/op    0  B/op  0  allocs/op
Benchmark_ConvertToBytes/fiber-12           51117225   23.32  ns/op    0  B/op  0  allocs/op

Benchmark_UnsafeString/unsafe-12          1000000000  0.5672  ns/op    0  B/op  0  allocs/op
Benchmark_UnsafeString/unsafe-12          1000000000  0.5683  ns/op    0  B/op  0  allocs/op
Benchmark_UnsafeString/default-12           64000897   18.45  ns/op   16  B/op  1  allocs/op
Benchmark_UnsafeString/default-12           64138909   18.13  ns/op   16  B/op  1  allocs/op

Benchmark_UnsafeBytes/unsafe-12            474777096   2.539  ns/op    0  B/op  0  allocs/op
Benchmark_UnsafeBytes/unsafe-12            469340781   2.535  ns/op    0  B/op  0  allocs/op
Benchmark_UnsafeBytes/default-12            53125656   22.15  ns/op   16  B/op  1  allocs/op
Benchmark_UnsafeBytes/default-12            52615048   22.33  ns/op   16  B/op  1  allocs/op

Benchmark_ToString-12                       22981430   51.72  ns/op   40  B/op  2  allocs/op
Benchmark_ToString-12                       22956476   52.93  ns/op   40  B/op  2  allocs/op

Benchmark_GetMIME/fiber-12                  15782622   74.99  ns/op    0  B/op  0  allocs/op
Benchmark_GetMIME/fiber-12                  13992375   93.13  ns/op    0  B/op  0  allocs/op
Benchmark_GetMIME/default-12                 6825952   147.0  ns/op    0  B/op  0  allocs/op
Benchmark_GetMIME/default-12                 9158227   132.5  ns/op    0  B/op  0  allocs/op

ParseVendorSpecificContentType
Benchmark_Parse.../vendorContentType-12     21334663   50.24  ns/op   16  B/op  1  allocs/op
Benchmark_Parse.../vendorContentType-12     23121808   51.20  ns/op   16  B/op  1  allocs/op
Benchmark_Parse.../defaultContentType-12   154423909   6.772  ns/op    0  B/op  0  allocs/op
Benchmark_Parse.../defaultContentType-12   183285117   6.662  ns/op    0  B/op  0  allocs/op

Benchmark_StatusMessage/fiber-12          1000000000  0.9796  ns/op    0  B/op  0  allocs/op
Benchmark_StatusMessage/fiber-12          1000000000  0.9706  ns/op    0  B/op  0  allocs/op
Benchmark_StatusMessage/default-12         380260562   2.989  ns/op    0  B/op  0  allocs/op
Benchmark_StatusMessage/default-12         403639642   3.124  ns/op    0  B/op  0  allocs/op

Benchmark_IsIPv4/fiber-12                   53576214   21.07  ns/op    0  B/op  0  allocs/op
Benchmark_IsIPv4/fiber-12                   62672907   22.04  ns/op    0  B/op  0  allocs/op
Benchmark_IsIPv4/default-12                 21204613   62.23  ns/op   16  B/op  1  allocs/op
Benchmark_IsIPv4/default-12                 21399847   56.61  ns/op   16  B/op  1  allocs/op

Benchmark_IsIPv6/fiber-12                   16754995   72.46  ns/op    0  B/op  0  allocs/op
Benchmark_IsIPv6/fiber-12                   17080897   74.31  ns/op    0  B/op  0  allocs/op
Benchmark_IsIPv6/default-12                  8160195   124.5  ns/op   16  B/op  1  allocs/op
Benchmark_IsIPv6/default-12                  9415326   119.8  ns/op   16  B/op  1  allocs/op

Benchmark_ToUpper/fiber-12                  13175154   81.67  ns/op   80  B/op  1  allocs/op
Benchmark_ToUpper/fiber-12                  14285533   77.27  ns/op   80  B/op  1  allocs/op
Benchmark_ToUpper/default-12                 5332206   231.8  ns/op   80  B/op  1  allocs/op
Benchmark_ToUpper/default-12                 5364650   236.0  ns/op   80  B/op  1  allocs/op

Benchmark_ToLower/fiber-12                  12996409   80.24  ns/op   80  B/op  1  allocs/op
Benchmark_ToLower/fiber-12                  16539536   69.27  ns/op   80  B/op  1  allocs/op
Benchmark_ToLower/default-12                 5132185   222.5  ns/op   80  B/op  1  allocs/op
Benchmark_ToLower/default-12                 5158561   225.3  ns/op   80  B/op  1  allocs/op

Benchmark_CalculateTimestamp/fiber-12     1000000000  0.2634  ns/op    0  B/op  0  allocs/op
Benchmark_CalculateTimestamp/fiber-12     1000000000  0.2935  ns/op    0  B/op  0  allocs/op
Benchmark_CalculateTimestamp/default-12     15740576   73.79  ns/op    0  B/op  0  allocs/op
Benchmark_CalculateTimestamp/default-12     15789036   71.12  ns/op    0  B/op  0  allocs/op

Benchmark_ParseUint/fiber-12               172685805   6.949  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint/fiber-12               172395474   6.984  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint/fiber_bytes-12         167209564   7.162  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint/fiber_bytes-12         161316883   7.248  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint/default-12              89826800   13.52  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint/default-12              89406565   13.68  ns/op    0  B/op  0  allocs/op

Benchmark_ParseInt/fiber-12                158532987   7.442  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt/fiber-12                154777971   7.710  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt/fiber_bytes-12          157400030   7.453  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt/fiber_bytes-12          148624418   7.400  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt/default-12               78927678   15.97  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt/default-12               78261080   16.26  ns/op    0  B/op  0  allocs/op

Benchmark_ParseInt32/fiber-12              164397682   7.234  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt32/fiber-12              164329150   7.319  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt32/fiber_bytes-12        159049194   7.556  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt32/fiber_bytes-12        155705494   7.697  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt32/default-12             71818300   16.92  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt32/default-12             78039262   15.83  ns/op    0  B/op  0  allocs/op

Benchmark_ParseInt16/fiber-12              232986352   5.165  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt16/fiber-12              232214074   5.256  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt16/fiber_bytes-12        220412829   5.398  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt16/fiber_bytes-12        222333234   5.409  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt16/default-12            100000000   11.07  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt16/default-12            100000000   11.08  ns/op    0  B/op  0  allocs/op

Benchmark_ParseInt8/fiber-12               260329051   4.543  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt8/fiber-12               265292354   4.541  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt8/fiber_bytes-12         260297640   4.635  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt8/fiber_bytes-12         260662333   4.669  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt8/default-12             134202080   8.700  ns/op    0  B/op  0  allocs/op
Benchmark_ParseInt8/default-12             137497462   8.702  ns/op    0  B/op  0  allocs/op

Benchmark_ParseUint32/fiber-12             166919528   6.991  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint32/fiber-12             172230549   7.004  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint32/fiber_bytes-12       168104906   7.182  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint32/fiber_bytes-12       166743417   7.189  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint32/default-12            88639659   13.70  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint32/default-12            78153198   13.74  ns/op    0  B/op  0  allocs/op

Benchmark_ParseUint16/fiber-12             265107002   4.425  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint16/fiber-12             265636831   4.517  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint16/fiber_bytes-12       255349777   4.674  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint16/fiber_bytes-12       250084923   4.722  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint16/default-12           133589893   9.006  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint16/default-12           136365088   8.863  ns/op    0  B/op  0  allocs/op

Benchmark_ParseUint8/fiber-12              326680580   3.719  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint8/fiber-12              313552454   3.739  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint8/fiber_bytes-12        325318082   3.697  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint8/fiber_bytes-12        321770954   3.699  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint8/default-12            182636923   6.678  ns/op    0  B/op  0  allocs/op
Benchmark_ParseUint8/default-12            184060842   6.756  ns/op    0  B/op  0  allocs/op

Benchmark_ParseFloat64/fiber-12            100000000   11.11  ns/op    0  B/op  0  allocs/op
Benchmark_ParseFloat64/fiber-12            100000000   11.09  ns/op    0  B/op  0  allocs/op
Benchmark_ParseFloat64/fiber_bytes-12      127174759   9.525  ns/op    0  B/op  0  allocs/op
Benchmark_ParseFloat64/fiber_bytes-12      124214686   9.577  ns/op    0  B/op  0  allocs/op
Benchmark_ParseFloat64/default-12           50066755   24.16  ns/op    0  B/op  0  allocs/op
Benchmark_ParseFloat64/default-12           49396011   24.80  ns/op    0  B/op  0  allocs/op

Benchmark_ParseFloat32/fiber-12            100000000   11.71  ns/op    0  B/op  0  allocs/op
Benchmark_ParseFloat32/fiber-12            100000000   11.85  ns/op    0  B/op  0  allocs/op
Benchmark_ParseFloat32/fiber_bytes-12      100000000   11.17  ns/op    0  B/op  0  allocs/op
Benchmark_ParseFloat32/fiber_bytes-12      100000000   10.43  ns/op    0  B/op  0  allocs/op
Benchmark_ParseFloat32/default-12           46055755   25.65  ns/op    0  B/op  0  allocs/op
Benchmark_ParseFloat32/default-12           45263090   25.78  ns/op    0  B/op  0  allocs/op

See all the benchmarks under https://gofiber.github.io/utils/benchmarks

Documentation

Index

Constants

View Source 
const MIMEOctetStream = "application/octet-stream"

Variables

This section is empty.

Functions

func AddTrailingSlashBytes 

func AddTrailingSlashBytes(b []byte) []byte

AddTrailingSlashBytes appends a trailing '/' to b if it does not already end with one. If the input already ends with '/', the original slice is returned. A new slice is returned when a '/' is appended. The original slice is never modified.

func AddTrailingSlashString 

func AddTrailingSlashString(s string) string

AddTrailingSlashString appends a trailing '/' to s if it does not already end with one. If the input already ends with '/', the original string is returned. A new string is returned only when a '/' needs to be appended.

func AppendInt 

func AppendInt(dst []byte, n int64) []byte

AppendInt appends the decimal string representation of n to dst.

func AppendUint 

func AppendUint(dst []byte, n uint64) []byte

AppendUint appends the decimal string representation of n to dst.

func ByteSize 

func ByteSize(bytes uint64) string

ByteSize returns a human-readable byte string of the form 10M, 12.5K, and so forth. The unit that results in the smallest number greater than or equal to 1 is always chosen. Maximum supported input is math.MaxUint64 / 10 (≈ 1844674407370955161).

func ConvertToBytes 

func ConvertToBytes(humanReadableString string) int

ConvertToBytes returns integer size of bytes from human-readable string, ex. 42kb, 42M Returns 0 if string is unrecognized

func CopyBytes 

func CopyBytes(b []byte) []byte

#nosec G103 CopyBytes copies a slice to make it immutable

func CopyString 

func CopyString(s string) string

CopyString copies a string to make it immutable

func EqualFold 

func EqualFold[S byteSeq](b, s S) bool

EqualFold tests ascii strings or bytes for equality case-insensitively

func FormatInt 

func FormatInt(n int64) string

FormatInt formats an int64 as a decimal string. It is faster than strconv.FormatInt for most inputs.

func FormatInt16 

func FormatInt16(n int16) string

FormatInt16 formats an int16 as a decimal string.

func FormatInt32 

func FormatInt32(n int32) string

FormatInt32 formats an int32 as a decimal string.

func FormatInt8 

func FormatInt8(n int8) string

FormatInt8 formats an int8 as a decimal string.

func FormatUint 

func FormatUint(n uint64) string

FormatUint formats a uint64 as a decimal string. It is faster than strconv.FormatUint for most inputs.

func FormatUint16 

func FormatUint16(n uint16) string

FormatUint16 formats a uint16 as a decimal string.

func FormatUint32 

func FormatUint32(n uint32) string

FormatUint32 formats a uint32 as a decimal string.

func FormatUint8 

func FormatUint8(n uint8) string

FormatUint8 formats a uint8 as a decimal string.

func FunctionName 

func FunctionName(fn any) string

FunctionName returns function name

func GenerateSecureToken 

func GenerateSecureToken(length int) string

GenerateSecureToken generates a cryptographically secure random token encoded in base64. It uses crypto/rand for randomness and base64.RawURLEncoding for URL-safe output. If length is less than or equal to 0, it defaults to 32 bytes (256 bits of entropy). Panics if the random source fails.

func GetArgument 

func GetArgument(arg string) bool

GetArgument check if key is in arguments

func GetMIME 

func GetMIME(extension string) string

GetMIME returns the content-type of a file extension

func IncrementIPRange 

func IncrementIPRange(ip net.IP)

IncrementIPRange Find available next IP address

func IsIPv4 

func IsIPv4(s string) bool

IsIPv4 works the same way as net.ParseIP, but without check for IPv6 case and without returning net.IP slice, whereby IsIPv4 makes no allocations.

func IsIPv6 

func IsIPv6(s string) bool

IsIPv6 works the same way as net.ParseIP, but without check for IPv4 case and without returning net.IP slice, whereby IsIPv6 makes no allocations.

func ParseFloat32 

func ParseFloat32[S byteSeq](s S) (float32, error)

ParseFloat32 parses a decimal ASCII string or byte slice into a float32. It returns (0, false) on error or if the parsed value overflows float32.

func ParseFloat64 

func ParseFloat64[S byteSeq](s S) (float64, error)

ParseFloat64 parses a decimal ASCII string or byte slice into a float64. It delegates the actual parsing to parseFloat.

func ParseInt 

func ParseInt[S byteSeq](s S) (int64, error)

ParseInt parses a decimal ASCII string or byte slice into an int64. Returns the parsed value and nil on success, else 0 and an error.

func ParseInt16 

func ParseInt16[S byteSeq](s S) (int16, error)

ParseInt16 parses a decimal ASCII string or byte slice into an int16.

func ParseInt32 

func ParseInt32[S byteSeq](s S) (int32, error)

ParseInt32 parses a decimal ASCII string or byte slice into an int32.

func ParseInt8 

func ParseInt8[S byteSeq](s S) (int8, error)

ParseInt8 parses a decimal ASCII string or byte slice into an int8.

func ParseUint 

func ParseUint[S byteSeq](s S) (uint64, error)

ParseUint parses a decimal ASCII string or byte slice into a uint64. It returns the parsed value and nil on success. If the input contains non-digit characters, it returns 0 and an error.

func ParseUint16 

func ParseUint16[S byteSeq](s S) (uint16, error)

ParseUint16 parses a decimal ASCII string or byte slice into a uint16.

func ParseUint32 

func ParseUint32[S byteSeq](s S) (uint32, error)

ParseUint32 parses a decimal ASCII string or byte slice into a uint32.

func ParseUint8 

func ParseUint8[S byteSeq](s S) (uint8, error)

ParseUint8 parses a decimal ASCII string or byte slice into a uint8.

func ParseVendorSpecificContentType 

func ParseVendorSpecificContentType(cType string, caseInsensitive ...bool) string

ParseVendorSpecificContentType check if content type is vendor specific and if it is parsable to any known types. If its not vendor specific then returns the original content type.

func ReadFile 

func ReadFile(path string, fs http.FileSystem) ([]byte, error)

ReadFile returns the raw content of a file

func SecureToken 

func SecureToken() string

SecureToken generates a secure token with 32 bytes of entropy. Panics if the random source fails. See GenerateSecureToken for details.

func StartTimeStampUpdater 

func StartTimeStampUpdater()

StartTimeStampUpdater launches a background goroutine that updates the cached timestamp every second. It is safe to call multiple times; only the first call will start the updater.

func StatusMessage 

func StatusMessage(status int) string

StatusMessage returns the correct message for the provided HTTP statuscode

func StopTimeStampUpdater 

func StopTimeStampUpdater()

StopTimeStampUpdater stops the background updater goroutine. Call this on app shutdown to avoid leaking goroutines.

func Timestamp 

func Timestamp() uint32

Timestamp returns the current cached Unix timestamp (seconds). Call StartTimeStampUpdater() once at app startup for best performance.

func ToLower 

func ToLower(b string) string

ToLower converts ascii string to lower-case

func ToLowerBytes 

func ToLowerBytes(b []byte) []byte

ToLowerBytes converts ascii slice to lower-case

func ToString 

func ToString(arg any, timeFormat ...string) string

ToString Change arg to string

func ToUpper 

func ToUpper(b string) string

ToUpper converts ascii string to upper-case

func ToUpperBytes 

func ToUpperBytes(b []byte) []byte

ToUpperBytes converts ascii slice to upper-case

func Trim 

func Trim[S byteSeq](s S, cutset byte) S

Trim is the equivalent of strings/bytes.Trim

func TrimLeft 

func TrimLeft[S byteSeq](s S, cutset byte) S

TrimLeft is the equivalent of strings/bytes.TrimLeft

func TrimRight 

func TrimRight[S byteSeq](s S, cutset byte) S

TrimRight is the equivalent of strings/bytes.TrimRight

func TrimSpace 

func TrimSpace[S byteSeq](s S) S

TrimSpace removes leading and trailing whitespace from a string or byte slice. This is an optimized version that's faster than strings/bytes.TrimSpace for ASCII strings. It removes the following ASCII whitespace characters: space, tab, newline, carriage return, vertical tab, and form feed.

func UUID 

func UUID() string

UUID generates an universally unique identifier (UUID). This is an alias for UUIDv4 for backward compatibility.

func UUIDv4 

func UUIDv4() string

UUIDv4 returns a Random (Version 4) UUID. The strength of the UUIDs is based on the strength of the crypto/rand package.

func UnsafeBytes 

func UnsafeBytes(s string) []byte

UnsafeBytes returns a byte pointer without allocation.

func UnsafeString 

func UnsafeString(b []byte) string

UnsafeString returns a string pointer without allocation

func Walk 

func Walk(fs http.FileSystem, root string, walkFn filepath.WalkFunc) error

Walk walks the filesystem rooted at root, calling walkFn for each file or directory in the filesystem, including root. All errors that arise visiting files and directories are filtered by walkFn. The files are walked in lexical order.

Types

type CBORMarshal 

type CBORMarshal func(v any) ([]byte, error)

CBORMarshal returns the CBOR encoding of v.

type CBORUnmarshal 

type CBORUnmarshal func(data []byte, v any) error

CBORUnmarshal parses the CBOR-encoded data and stores the result in the value pointed to by v. If v is nil or not a pointer, Unmarshal returns an error.

type JSONMarshal 

type JSONMarshal func(v any) ([]byte, error)

JSONMarshal returns the JSON encoding of v.

type JSONUnmarshal 

type JSONUnmarshal func(data []byte, v any) error

JSONUnmarshal parses the JSON-encoded data and stores the result in the value pointed to by v. If v is nil or not a pointer, Unmarshal returns an InvalidUnmarshalError.

type MsgPackMarshal 

type MsgPackMarshal func(v any) ([]byte, error)

MsgPackMarshal returns the MsgPack encoding of v.

type MsgPackUnmarshal 

type MsgPackUnmarshal func(data []byte, v any) error

MsgPackUnmarshal parses the MsgPack-encoded data and stores the result in the value pointed to by v. If v is nil or not a pointer, Unmarshal returns an InvalidUnmarshalError.

type Signed 

type Signed interface {
	~int | ~int8 | ~int16 | ~int32 | ~int64
}

type Unsigned 

type Unsigned interface {
	~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64 | ~uintptr
}

type XMLMarshal 

type XMLMarshal func(v any) ([]byte, error)

XMLMarshal returns the XML encoding of v.

type XMLUnmarshal 

type XMLUnmarshal func(data []byte, v any) error

XMLUnmarshal parses the XML-encoded data and stores the result in the value pointed to by v. If v is nil or not a pointer, Unmarshal returns an InvalidUnmarshalError.

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