errors

Documentation

Index

• func As(err error, target interface{}) bool
• func Errorf(format string, args ...interface{}) error
• func Is(err, target error) bool
• func New(message string) error
• func Unwrap(err error) error
• func WithStack(err error) error
• func Wrap(err error, message string) error
• func Wrapf(err error, format string, args ...interface{}) error

Functions

func As

func As(err error, target interface{}) bool

As mirrors the stdlib errors.As function.

func Errorf

func Errorf(format string, args ...interface{}) error

Errorf creates a new error using fmt.Sprintf().

func Is

func Is(err, target error) bool

Is mirrors the stdlib errors.Is function.

func New

func New(message string) error

New creates a new error.

func Unwrap

func Unwrap(err error) error

Unwrap aliases the stdlib errors.Unwrap function.

func WithStack

func WithStack(err error) error

WithStack chains source location information to an error if "err" is not nil.

func Wrap

func Wrap(err error, message string) error

Wrap chains a new error to "err" if it is not nil.

func Wrapf

func Wrapf(err error, format string, args ...interface{}) error

Wrapf chains a new fmt.Sprintf() formatted error to "err" if "err" is not nil.