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

ewrap/

directory

Go to main page

Versions in this module

v1

v1.3.0

Aug 19, 2025

v1.2.0

Jun 10, 2025

v1.1.2

Jun 5, 2025

Changes in this version

type ErrorGroup

+ func (eg *ErrorGroup) ErrorOrNil() error

v1.1.1

May 15, 2025

v1.1.0

Apr 24, 2025

Changes in this version

type Error

+ func Newf(format string, args ...any) *Error

v1.0.3

Dec 2, 2024

v1.0.2

Dec 2, 2024

v1.0.1

Dec 2, 2024

Changes in this version

+ func CaptureStack() []uintptr

+ type CircuitBreaker struct

+ func NewCircuitBreaker(name string, maxFailures int, timeout time.Duration) *CircuitBreaker

+ func (cb *CircuitBreaker) CanExecute() bool

+ func (cb *CircuitBreaker) OnStateChange(callback func(name string, from, to CircuitState))

+ func (cb *CircuitBreaker) RecordFailure()

+ func (cb *CircuitBreaker) RecordSuccess()

+ type CircuitState int

+ const CircuitClosed

+ const CircuitHalfOpen

+ const CircuitOpen

+ type Error struct

+ func New(msg string, opts ...Option) *Error

+ func Wrap(err error, msg string, opts ...Option) *Error

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

+ func (e *Error) CanRetry() bool

+ func (e *Error) Cause() error

+ func (e *Error) Error() string

+ func (e *Error) GetMetadata(key string) (interface{}, bool)

+ func (e *Error) IncrementRetry()

+ func (e *Error) Is(target error) bool

+ func (e *Error) Log()

+ func (e *Error) Stack() string

+ func (e *Error) ToJSON(opts ...FormatOption) (string, error)

+ func (e *Error) ToYAML(opts ...FormatOption) (string, error)

+ func (e *Error) Unwrap() error

+ func (e *Error) WithMetadata(key string, value interface{}) *Error

+ type ErrorContext struct

+ Component string

+ Data map[string]interface{}

+ Environment string

+ File string

+ Line int

+ Operation string

+ RequestID string

+ Severity Severity

+ Timestamp time.Time

+ Type ErrorType

+ User string

+ Version string

+ func (ec *ErrorContext) String() string

+ type ErrorGroup struct

+ func NewErrorGroup() *ErrorGroup

+ func (eg *ErrorGroup) Add(err error)

+ func (eg *ErrorGroup) Clear()

+ func (eg *ErrorGroup) Error() string

+ func (eg *ErrorGroup) Errors() []error

+ func (eg *ErrorGroup) HasErrors() bool

+ func (eg *ErrorGroup) Release()

+ type ErrorGroupPool struct

+ func NewErrorGroupPool(initialCapacity int) *ErrorGroupPool

+ func (p *ErrorGroupPool) Get() *ErrorGroup

+ type ErrorOutput struct

+ Cause *ErrorOutput

+ Context map[string]interface{}

+ Message string

+ Metadata map[string]interface{}

+ Severity string

+ Stack string

+ Timestamp time.Time

+ Type string

+ type ErrorType int

+ const ErrorTypeConfiguration

+ const ErrorTypeDatabase

+ const ErrorTypeExternal

+ const ErrorTypeInternal

+ const ErrorTypeNetwork

+ const ErrorTypeNotFound

+ const ErrorTypePermission

+ const ErrorTypeUnknown

+ const ErrorTypeValidation

+ func (et ErrorType) String() string

+ type FormatOption func(*ErrorOutput)

+ func WithStackTrace(include bool) FormatOption

+ func WithTimestampFormat(format string) FormatOption

+ type Option func(*Error)

+ func WithContext(ctx context.Context, errorType ErrorType, severity Severity) Option

+ func WithLogger(logger logger.Logger) Option

+ func WithRetry(maxAttempts int, delay time.Duration) Option

+ type RecoverySuggestion struct

+ Actions []string

+ Documentation string

+ Message string

+ type RetryInfo struct

+ CurrentAttempt int

+ Delay time.Duration

+ LastAttempt time.Time

+ MaxAttempts int

+ ShouldRetry func(error) bool

+ type Severity int

+ const SeverityCritical

+ const SeverityError

+ const SeverityInfo

+ const SeverityWarning

+ func (s Severity) String() string