Why Go
- Case Studies
  
  Common problems companies solve with Go
- Use Cases
  
  Stories about how and why companies use Go
- Security
  
  How Go can help keep you secure by default
Learn
Docs
- Effective Go
  
  Tips for writing clear, performant, and idiomatic Go code
- Go User Manual
  
  A complete introduction to building software with Go
- Standard library
  
  Reference documentation for Go's standard library
- Release Notes
  
  Learn what's new in each Go release
Packages
Community
- Recorded Talks
  
  Videos from prior events
- Meetups
  
  Meet other local Go developers
- Conferences
  
  Learn and network with Go developers from around the world
- Go blog
  
  The Go project's official blog.
- Go project
  
  Get help and stay informed from Go
- Get connected

xerrors

package

Go to main page

Versions in this module

v0

v0.5.0

Mar 29, 2026

v0.4.0

Feb 13, 2026

Changes in this version

+ var As = errors.As

+ var Is = errors.Is

+ var Join = errors.Join

+ var New = errors.New

+ var Unwrap = errors.Unwrap

+ func Combine(errs ...error) error

+ func GetCode(err error) string

+ func MustOK[T any](v T, ok bool) T

+ func Must[T any](v T, err error) T

+ func WithCode(err error, code string) error

+ func Wrap(err error, msg string) error

+ func Wrapf(err error, format string, args ...any) error

+ type CodedError struct

+ Cause error

+ Code string

+ func (e *CodedError) Error() string

+ func (e *CodedError) Unwrap() error

+ type Collector struct

+ func (c *Collector) Collect(err error)

+ func (c *Collector) Err() error

+ type MultiError struct

+ Errors []error

+ func (m *MultiError) Error() string

+ func (m *MultiError) Unwrap() []error

v0.3.0

Jan 4, 2026

v0.2.1

Dec 26, 2025

v0.2.0

Dec 22, 2025