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

errors

package module

Go to main page

Versions in this module

v3

v3.2.0

Jan 23, 2026

Changes in this version

+ func Join(errs ...error) error

v3.1.1

Sep 1, 2025

v3.1.0

Aug 28, 2025

v3.0.0

Jun 24, 2025

Changes in this version

+ func As(receivedErr error, expectedType any) bool

+ func Errorf(ctx context.Context, format string, args ...interface{}) error

+ func Is(receivedErr, expectedError error) bool

+ func New(ctx context.Context, message string) error

+ func Newf(ctx context.Context, format string, args ...interface{}) error

+ func RootCtxOrFallback(ctx context.Context, err error) context.Context

+ func UnwrapError(err error) error

+ func Wrap(ctx context.Context, err error, message string) error

+ func Wrapf(ctx context.Context, err error, format string, args ...interface{}) error

+ type ErrCtx struct

+ func (err ErrCtx) Ctx() context.Context

+ func (err ErrCtx) Error() string

+ func (err ErrCtx) Unwrap() error

+ type ValidationErrors struct

+ Errors map[string][]string

+ func (v *ValidationErrors) Error() string

+ type ValidationErrorsBuilder struct

+ func NewValidationErrorsBuilder() *ValidationErrorsBuilder

+ func (v *ValidationErrorsBuilder) Build() error

+ func (v *ValidationErrorsBuilder) Get(field string) []string

+ func (v *ValidationErrorsBuilder) Merge(verr *ValidationErrors) *ValidationErrorsBuilder

+ func (v *ValidationErrorsBuilder) MergeWithPrefix(prefix string, verr *ValidationErrors) *ValidationErrorsBuilder

+ func (v *ValidationErrorsBuilder) Set(field, err string) *ValidationErrorsBuilder

Other modules containing this package

github.com/Scalingo/go-utils

github.com/Scalingo/go-utils/errors

github.com/Scalingo/go-utils/errors/v2