util

package

v1.0.0 Latest Latest Go to latest Published: Feb 10, 2023 License: MIT Imports: 12 Imported by: 0

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Repository

github.com/Khighness/khighdb

Documentation ¶

Index ¶

func CopyDir(src, dst string) error
func CopyFile(src, dst string) error
func Float64ToStr(val float64) string
func GetKey(n int) []byte
func GetValue(n int) []byte
func GetValue16B() []byte
func GetValue4K() []byte
func MemHash(buf []byte) uint64
func PathExist(path string) bool
func StrToFloat64(val string) (float64, error)
func StrToInt64(val string) (int64, error)
func StrToUint(val string) (uint64, error)
type Murmur128
- func NewMurmur128() *Murmur128

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func CopyDir ¶

func CopyDir(src, dst string) error

CopyDir copies a directory from src to dst.

func CopyFile ¶

func CopyFile(src, dst string) error

CopyFile copies a single file from src to dst.

func Float64ToStr ¶

func Float64ToStr(val float64) string

Float64ToStr converts type float64 to string.

func GetKey ¶

func GetKey(n int) []byte

GetKey returns a key whose size is 32 bytes.

func GetValue ¶

func GetValue(n int) []byte

GetValue returns a byte slice according to the given n.

func GetValue16B ¶

func GetValue16B() []byte

GetValue16B return a value whose size is 16 bytes.

func GetValue4K ¶

func GetValue4K() []byte

GetValue4K returns a value whose size is 4 KB.

func MemHash ¶

func MemHash(buf []byte) uint64

MemHash is the hash function used by go map, it utilizes available hardware instructions(behaves as aeshash if aes instruction is available). NOTE: The hash seed changes for every process. So, this cannot be used as a persistent hash.

func PathExist ¶

func PathExist(path string) bool

PathExist checks if the file or directory corresponding to the path exists.

func StrToFloat64 ¶

func StrToFloat64(val string) (float64, error)

StrToFloat64 converts type string to float64.

func StrToInt64 ¶

func StrToInt64(val string) (int64, error)

StrToInt64 converts type string to int64.

func StrToUint ¶

func StrToUint(val string) (uint64, error)

StrToUint converts type string to uint64.

Types ¶

type Murmur128 ¶

type Murmur128 struct {
	// contains filtered or unexported fields
}

func NewMurmur128 ¶

func NewMurmur128() *Murmur128

func (*Murmur128) EncodeSum128 ¶

func (m *Murmur128) EncodeSum128() []byte

func (*Murmur128) Reset ¶

func (m *Murmur128) Reset()

func (*Murmur128) Write ¶

func (m *Murmur128) Write(b []byte) error

Source Files ¶

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