errors

Documentation

Index

• Constants
• func Code(err error) int
• func Reason(err error) string
• type Error
  • func FromError(err error) *Error
  • func New(code int, reason, message string) *Error
  • func Newf(code int, reason, format string, a ...interface{}) *Error
  • func (e *Error) Error() string
  • func (e *Error) Is(err error) bool

Constants

const (
	// Code for error
	// UnknownCode is unknown code for error info.
	UnknownCode = 500
	NoError     = 0
	ServerError = 499
	ParamError  = 400
	// UnknownReason is unknown reason for error info.
	UnknownReason = ""
)

const (
	ErrFileNotFound          = "file '%s' not found"
	ErrFileAlreadyExists     = "file '%s' already exists"
	ErrTemplateNotFound      = "template '%s' not found"
	ErrBaseDirectoryNotFound = "base directory '%s' not found"
	ErrDirectoryNotFound     = "directory '%s' not found"
	ErrScriptNotFound        = "script '%s' not found"
)

Functions

func Code

func Code(err error) int

Code returns the http code for an error. It supports wrapped errors.

func Reason

func Reason(err error) string

Reason returns the reason for a particular error. It supports wrapped errors.

Types

type Error

type Error struct {
	Code    int32  `json:"code,omitempty"`
	Reason  string `json:"reason,omitempty"`
	Message string `json:"message,omitempty"`
}

func FromError

func FromError(err error) *Error

FromError try to convert an error to *Error. It supports wrapped errors.

func New

func New(code int, reason, message string) *Error

New returns an error object for the code, message.

func Newf

func Newf(code int, reason, format string, a ...interface{}) *Error

Newf New(code fmt.Sprintf(format, a...))

func (*Error) Error

func (e *Error) Error() string

func (*Error) Is

func (e *Error) Is(err error) bool

Is matches each error in the chain with the target value.