errwrap

package

v0.0.17 Latest Latest Go to latest Published: Dec 13, 2022 License: Apache-2.0 Imports: 2 Imported by: 0

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Repository

github.com/awslabs/yesiscan

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Documentation ¶

Overview ¶

Package errwrap contains some error helpers.

Index ¶

func Append(reterr, err error) error
func Cause(err error) error
func String(err error) string
func Wrapf(err error, format string, args ...interface{}) error

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Append ¶

func Append(reterr, err error) error

Append can be used to safely append an error onto an existing one. If you pass in a nil error to append, the existing error will be returned unchanged. If the existing error is already nil, then the new error will be returned unchanged. This makes it easy to use Append as a safe `reterr += err`, when you don't know if either is nil or not.

func Cause ¶ added in v0.0.2

func Cause(err error) error

Cause returns the top-most error that we can print directly to the end-user.

func String ¶

func String(err error) string

String returns a string representation of the error. In particular, if the error is nil, it returns an empty string instead of panicing.

func Wrapf ¶

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

Wrapf adds a new error onto an existing chain of errors. If the new error to be added is nil, then the old error is returned unchanged.

Types ¶

This section is empty.

Source Files ¶

View all Source files

errwrap.go

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