zutil

Documentation

Overview

Package zutil daily development helper functions

Index

• Constants
• func CanExpand(t reflect.Type) bool
• func CanInline(t reflect.Type) bool
• func CheckErr(err error, exit ...bool)
• func GetAllMethod(st interface{}, fn func(numMethod int, m reflect.Method) error) error
• func GetBuff() *bytes.Buffer
• func GetField(v reflect.Value, i int) reflect.Value
• func GetOs() string
• func Getenv(name string, def ...string) string
• func IfVal(condition bool, trueVal, falseVal interface{}) interface{}
• func IsLinux() bool
• func IsMac() bool
• func IsWin() bool
• func LabelType(t reflect.Type) bool
• func Nonzero(v reflect.Value) bool
• func PutBuff(buffer *bytes.Buffer)
• func ReflectForNumField(v reflect.Value, ...) error
• func ReflectStructField(v reflect.Type, ...) error
• func RunAllMethod(st interface{}, args ...interface{}) (err error)
• func RunAssignMethod(st interface{}, filter func(methodName string) bool, args ...interface{}) (err error)
• func SetValue(vTypeOf reflect.Kind, vValueOf reflect.Value, value interface{}) (err error)
• func Try(fn func(), catch func(e interface{}), finally ...func())
• func WithLockContext(mu *sync.Mutex, fn func())
• func WithRunMemContext(handler func()) uint64
• func WithRunTimeContext(handler func(), callback func(time.Duration))

Constants

const BuffSize = 10 * 1024

Functions

func CanExpand

func CanExpand(t reflect.Type) bool

func CanInline

func CanInline(t reflect.Type) bool

func CheckErr

func CheckErr(err error, exit ...bool)

CheckErr CheckErr

func GetAllMethod

func GetAllMethod(st interface{}, fn func(numMethod int, m reflect.Method) error) error

GetAllMethod get all methods of struct

func GetBuff

func GetBuff() *bytes.Buffer

func GetField

func GetField(v reflect.Value, i int) reflect.Value

func GetOs

func GetOs() string

func Getenv

func Getenv(name string, def ...string) string

Getenv get ENV value by key name

func IfVal

func IfVal(condition bool, trueVal, falseVal interface{}) interface{}

IfVal Simulate ternary calculations, pay attention to handling no variables or indexing problems

func IsLinux

func IsLinux() bool

IsLinux system

func IsMac

func IsMac() bool

IsMac system

func IsWin

func IsWin() bool

IsWin system. linux windows darwin

func LabelType

func LabelType(t reflect.Type) bool

func Nonzero

func Nonzero(v reflect.Value) bool

func PutBuff

func PutBuff(buffer *bytes.Buffer)

func ReflectForNumField

func ReflectForNumField(v reflect.Value, fn func(fieldName, fieldTag string,
	kind reflect.Kind, field reflect.Value) error, tag ...string) error

func ReflectStructField

func ReflectStructField(v reflect.Type, fn func(
	numField int, fieldTag string, field reflect.StructField) error, tag ...string) error

func RunAllMethod

func RunAllMethod(st interface{}, args ...interface{}) (err error)

RunAllMethod run all methods of struct

func RunAssignMethod

func RunAssignMethod(st interface{}, filter func(methodName string) bool, args ...interface{}) (err error)

RunAssignMethod run assign methods of struct

func SetValue

func SetValue(vTypeOf reflect.Kind, vValueOf reflect.Value, value interface{}) (err error)

func Try

func Try(fn func(), catch func(e interface{}), finally ...func())

func WithLockContext

func WithLockContext(mu *sync.Mutex, fn func())

func WithRunMemContext

func WithRunMemContext(handler func()) uint64

func WithRunTimeContext

func WithRunTimeContext(handler func(), callback func(time.Duration))