utils

Documentation

Overview

useful function, like UUID, Assert, Trace and more.

Index

• func Assert(err error)
• func Trace(prefix string) []string
• func UUID(n int, chars ...string) (string, error)
• type Bytes
  • func (data *Bytes) Bytes() uint64
  • func (data Bytes) MarshalJSON() ([]byte, error)
  • func (data *Bytes) MarshalKV() (string, error)
  • func (data Bytes) MarshalYAML() (interface{}, error)
  • func (data Bytes) Number() uint64
  • func (data Bytes) String() string
  • func (data Bytes) Unit() string
  • func (data *Bytes) UnmarshalJSON(value []byte) error
  • func (data *Bytes) UnmarshalKV(value string) error
  • func (data *Bytes) UnmarshalYAML(value *yaml.Node) error
• type Duration
  • func (d Duration) Duration() time.Duration
  • func (d Duration) MarshalKV() (string, error)
  • func (d Duration) Number() uint64
  • func (d Duration) String() string
  • func (d Duration) Unit() string
  • func (d *Duration) UnmarshalKV(value string) error
• type Float64P2
  • func (data Float64P2) Float() float64
  • func (data Float64P2) MarshalJSON() ([]byte, error)
  • func (data Float64P2) MarshalKV() (string, error)
  • func (data Float64P2) MarshalYAML() (interface{}, error)
  • func (data Float64P2) String() string
• type Version
  • func ParseVersion(str string) (Version, error)
  • func (src Version) Equal(dst Version) bool
  • func (src Version) Greater(dst Version) bool
  • func (src Version) GreaterEqual(dst Version) bool
  • func (src Version) Less(dst Version) bool
  • func (src Version) LessEqual(dst Version) bool
  • func (v Version) String() string

Functions

func Assert

func Assert(err error)

Assert panic if err!=nil

func Trace

func Trace(prefix string) []string

Trace get call stack trace

func UUID

func UUID(n int, chars ...string) (string, error)

UUID generate random string with length n, chars of charmap, by default "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_"

Types

type Bytes

type Bytes uint64

Bytes custom bytes struct

func (*Bytes) Bytes

func (data *Bytes) Bytes() uint64

Bytes get bytes data

func (Bytes) MarshalJSON

func (data Bytes) MarshalJSON() ([]byte, error)

MarshalJSON marshal bytes by json

func (*Bytes) MarshalKV

func (data *Bytes) MarshalKV() (string, error)

MarshalKV marshal bytes by kv

func (Bytes) MarshalYAML

func (data Bytes) MarshalYAML() (interface{}, error)

MarshalYAML marshal bytes by yaml

func (Bytes) Number

func (data Bytes) Number() uint64

Number get number

func (Bytes) String

func (data Bytes) String() string

String format to string

func (Bytes) Unit

func (data Bytes) Unit() string

Unit get unit

func (*Bytes) UnmarshalJSON

func (data *Bytes) UnmarshalJSON(value []byte) error

UnmarshalJSON unmarshal bytes by json

func (*Bytes) UnmarshalKV

func (data *Bytes) UnmarshalKV(value string) error

UnmarshalKV unmarshal bytes by kv

func (*Bytes) UnmarshalYAML

func (data *Bytes) UnmarshalYAML(value *yaml.Node) error

UnmarshalYAML unmarshal bytes by yaml

type Duration

type Duration time.Duration

Duration custom duration struct

func (Duration) Duration

func (d Duration) Duration() time.Duration

Duration get duration

func (Duration) MarshalKV

func (d Duration) MarshalKV() (string, error)

MarshalKV marshal duration

func (Duration) Number

func (d Duration) Number() uint64

Number get number

func (Duration) String

func (d Duration) String() string

String format to string

func (Duration) Unit

func (d Duration) Unit() string

Unit get unit

func (*Duration) UnmarshalKV

func (d *Duration) UnmarshalKV(value string) error

UnmarshalKV unmarshal duration

type Float64P2

type Float64P2 float64

Float64P2 format yaml, json, kv string to 2 precision

func (Float64P2) Float

func (data Float64P2) Float() float64

Float get float64 data

func (Float64P2) MarshalJSON

func (data Float64P2) MarshalJSON() ([]byte, error)

MarshalJSON marshal float64 by json

func (Float64P2) MarshalKV

func (data Float64P2) MarshalKV() (string, error)

MarshalKV marshal float64 by kv

func (Float64P2) MarshalYAML

func (data Float64P2) MarshalYAML() (interface{}, error)

MarshalYAML marshal float64 by yaml

func (Float64P2) String

func (data Float64P2) String() string

String get string data

type Version

type Version [3]int

Version semantic version

func ParseVersion

func ParseVersion(str string) (Version, error)

ParseVersion parse semantic version string

func (Version) Equal

func (src Version) Equal(dst Version) bool

Greater validate src version is equal to dst version

func (Version) Greater

func (src Version) Greater(dst Version) bool

Greater validate src version is greater than dst version

func (Version) GreaterEqual

func (src Version) GreaterEqual(dst Version) bool

Greater validate src version is greater or equal dst version

func (Version) Less

func (src Version) Less(dst Version) bool

Greater validate src version is less than dst version

func (Version) LessEqual

func (src Version) LessEqual(dst Version) bool

Greater validate src version is less or equal dst version

func (Version) String

func (v Version) String() string

String show semantic version