errors

Documentation

Index

• func Cause(err error) error
• func Errorf(format string, a ...interface{}) error
• func Merge(err ...error) error
• func New(text string) error
• func Wrapf(err error, format string, a ...interface{}) error

Functions

func Cause

func Cause(err error) error

Cause returns the underlying cause for this error, if possible. If err does not implement causer.Cause(), then err is returned.

func Errorf

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

Errorf wraps New and fmt.Sprintf.

func Merge

func Merge(err ...error) error

Merge merges multiple errors into one. Merge returns nil if all errors are nil.

func New

func New(text string) error

New returns an error that formats as the given text.

func Wrapf

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

Wrapf wraps an error with a message. Wrapf returns nil if error is nil.