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
- API
  
  Reference documentation for the pkg.go.dev API
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

Go to main page

Versions in this module

v0

v0.12.0

Jun 6, 2026

v0.11.0

Jun 6, 2026

v0.10.1

Jun 6, 2026

v0.10.0

Jun 6, 2026

v0.9.0

Feb 1, 2026

v0.8.0

Jan 27, 2026

Changes in this version

+ func GetHTTPStatus(err error) int

+ func Is(err error, code Code) bool

+ func WriteHTTPError(w http.ResponseWriter, err *AppError)

+ type AppError struct

+ Cause error

+ Code Code

+ Details map[string]interface{}

+ HTTPStatus int

+ Message string

+ func AuthError(code Code, message string) *AppError

+ func CacheError(code Code, message string, cause error) *AppError

+ func ConfigError(message string, cause error) *AppError

+ func FromHTTPStatus(status int, message string) *AppError

+ func InternalError(message string, cause error) *AppError

+ func MirrorError(code Code, message string, cause error) *AppError

+ func New(code Code, message string) *AppError

+ func ServerError(code Code, message string, cause error) *AppError

+ func Wrap(code Code, message string, cause error) *AppError

+ func (e *AppError) Error() string

+ func (e *AppError) ToJSON() ([]byte, error)

+ func (e *AppError) Unwrap() error

+ func (e *AppError) WithCause(cause error) *AppError

+ func (e *AppError) WithDetails(key string, value interface{}) *AppError

+ func (e *AppError) WithHTTPStatus(status int) *AppError

+ type Code string

+ const ErrAuthExpired

+ const ErrAuthInsufficient

+ const ErrAuthInvalid

+ const ErrAuthRequired

+ const ErrCacheCleanup

+ const ErrCacheDirAccess

+ const ErrCacheInit

+ const ErrCachePurge

+ const ErrCacheRead

+ const ErrCacheWrite

+ const ErrConfigInvalid

+ const ErrConfigNotFound

+ const ErrConfigParseFail

+ const ErrInternal

+ const ErrMethodNotAllowed

+ const ErrMirrorBenchmark

+ const ErrMirrorInvalid

+ const ErrMirrorTimeout

+ const ErrMirrorUnreachable

+ const ErrNotImplemented

+ const ErrProviderDown

+ const ErrProviderTimeout

+ const ErrRateLimited

+ const ErrRequestInvalid

+ const ErrRequestTimeout

+ const ErrResourceNotFound

+ const ErrServerInit

+ const ErrServerShutdown

+ const ErrServerStart

+ const ErrUnknown

+ const ErrUpstreamError

+ const ErrUpstreamForbidden

+ const ErrUpstreamNotFound

+ func GetCode(err error) Code

+ type HTTPErrorResponse struct

+ Code Code

+ Details map[string]interface{}

+ Error string

+ Message string