errors

Documentation

Index

• func Cause(err error) error
• func Errorf(format string, args ...interface{}) error
• func HasStackTrace(err error) bool
• func New(message string) error
• func WithStack(err error) error
• func Wrap(err error, message string) error
• func Wrapf(err error, format string, args ...interface{}) error

Functions

func Cause

func Cause(err error) error

Cause retrieves the underlying cause of an error

func Errorf

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

Errorf formats according to a format specifier and returns the string as a value that satisfies error. Errorf also records the stack trace at the point it was called.

func HasStackTrace

func HasStackTrace(err error) bool

HasStackTrace tells you if the given error contains a stack trace.

func New

func New(message string) error

New returns an error with the supplied message. New also records the stack trace at the point it was called.

func WithStack

func WithStack(err error) error

WithStack annotates err with a stack trace at the point WithStack was called. If err is nil, WithStack returns nil.

func Wrap

func Wrap(err error, message string) error

Wrap returns an error annotating err with a stack trace at the point Wrap is called, and the supplied message. If err is nil, Wrap returns nil.

func Wrapf

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

Wrapf returns an error annotating err with a stack trace at the point Wrapf is called, and the format specifier. If err is nil, Wrapf returns nil.