util

Documentation

Index

• func EnvFromMap(d map[string]interface{}) string
• func EnvMapFromMap(d map[string]interface{}) map[string]interface{}
• func MapCopy(dst interface{}, src interface{}) (err error)
• func MapToStruct(in map[string]string, out interface{}, keyPrefix string) (err error)
• func NativelyLittle() bool
• func OrEmpty(v *string) string
• func Rand(choices string, n int) string
• func RandDigits(n int) string
• func RandNano() string
• func RandPassword(n int) (ret string)
• func RandString(n int) string
• func RandUUID(n int) string
• func ShortName(n string) string
• func StructToMap(in interface{}, out map[string]string, prefix string) (err error)
• type IP4
  • func FromBytes(ip []byte) IP4
  • func FromIP(ip net.IP) IP4
  • func MustParseIP4(s string) IP4
  • func ParseIP4(s string) (IP4, error)
  • func (ip IP4) MarshalJSON() ([]byte, error)
  • func (ip IP4) NetworkOrder() uint32
  • func (ip IP4) Octets() (a, b, c, d byte)
  • func (ip IP4) String() string
  • func (ip IP4) StringSep(sep string) string
  • func (ip IP4) ToIP() net.IP
  • func (ip *IP4) UnmarshalJSON(j []byte) error
• type IP4Net
  • func FromIPNet(n *net.IPNet) IP4Net
  • func (n IP4Net) Contains(ip IP4) bool
  • func (n IP4Net) Equal(other IP4Net) bool
  • func (n IP4Net) MarshalJSON() ([]byte, error)
  • func (n IP4Net) Mask() uint32
  • func (n IP4Net) Network() IP4Net
  • func (n IP4Net) Next() IP4Net
  • func (n IP4Net) Overlaps(other IP4Net) bool
  • func (n IP4Net) String() string
  • func (n IP4Net) StringSep(octetSep, prefixSep string) string
  • func (n IP4Net) ToIPNet() *net.IPNet
  • func (n *IP4Net) UnmarshalJSON(j []byte) error
• type Mutex
  • func NewMutex() *Mutex
  • func (m *Mutex) Lock()
  • func (m *Mutex) TryLock() bool
  • func (m *Mutex) Unlock()

Functions

func EnvFromMap

func EnvFromMap(d map[string]interface{}) string

func EnvMapFromMap

func EnvMapFromMap(d map[string]interface{}) map[string]interface{}

func MapCopy

func MapCopy(dst interface{}, src interface{}) (err error)

func MapToStruct

func MapToStruct(in map[string]string, out interface{}, keyPrefix string) (err error)

Convert a string map to a struct with type assertions along the way.

func NativelyLittle

func NativelyLittle() bool

Assume little endian

func OrEmpty

func OrEmpty(v *string) string

func Rand

func Rand(choices string, n int) string

func RandDigits

func RandDigits(n int) string

func RandNano

func RandNano() string

func RandPassword

func RandPassword(n int) (ret string)

func RandString

func RandString(n int) string

func RandUUID

func RandUUID(n int) string

func ShortName

func ShortName(n string) string

func StructToMap

func StructToMap(in interface{}, out map[string]string, prefix string) (err error)

Types

type IP4

type IP4 uint32

func FromBytes

func FromBytes(ip []byte) IP4

func FromIP

func FromIP(ip net.IP) IP4

func MustParseIP4

func MustParseIP4(s string) IP4

func ParseIP4

func ParseIP4(s string) (IP4, error)

func (IP4) MarshalJSON

func (ip IP4) MarshalJSON() ([]byte, error)

json.Marshaler impl

func (IP4) NetworkOrder

func (ip IP4) NetworkOrder() uint32

func (IP4) Octets

func (ip IP4) Octets() (a, b, c, d byte)

func (IP4) String

func (ip IP4) String() string

func (IP4) StringSep

func (ip IP4) StringSep(sep string) string

func (IP4) ToIP

func (ip IP4) ToIP() net.IP

func (*IP4) UnmarshalJSON

func (ip *IP4) UnmarshalJSON(j []byte) error

json.Unmarshaler impl

type IP4Net

type IP4Net struct {
	IP        IP4
	PrefixLen uint
}

similar to net.IPNet but has uint based representation

func FromIPNet

func FromIPNet(n *net.IPNet) IP4Net

func (IP4Net) Contains

func (n IP4Net) Contains(ip IP4) bool

func (IP4Net) Equal

func (n IP4Net) Equal(other IP4Net) bool

func (IP4Net) MarshalJSON

func (n IP4Net) MarshalJSON() ([]byte, error)

json.Marshaler impl

func (IP4Net) Mask

func (n IP4Net) Mask() uint32

func (IP4Net) Network

func (n IP4Net) Network() IP4Net

func (IP4Net) Next

func (n IP4Net) Next() IP4Net

func (IP4Net) Overlaps

func (n IP4Net) Overlaps(other IP4Net) bool

func (IP4Net) String

func (n IP4Net) String() string

func (IP4Net) StringSep

func (n IP4Net) StringSep(octetSep, prefixSep string) string

func (IP4Net) ToIPNet

func (n IP4Net) ToIPNet() *net.IPNet

func (*IP4Net) UnmarshalJSON

func (n *IP4Net) UnmarshalJSON(j []byte) error

json.Unmarshaler impl

type Mutex

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

func NewMutex

func NewMutex() *Mutex

func (*Mutex) Lock

func (m *Mutex) Lock()

func (*Mutex) TryLock

func (m *Mutex) TryLock() bool

func (*Mutex) Unlock

func (m *Mutex) Unlock()