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

kata

package module

Go to main page

Versions in this module

v1

v1.0.0

Apr 6, 2026

Changes in this version

type Hooks

+ OnRetry func(ctx context.Context, name string, attempt int, err error)

type RetryPolicy

+ func Cap(policy RetryPolicy, max time.Duration) RetryPolicy

+ func Jitter(policy RetryPolicy) RetryPolicy

v0

v0.1.1

Feb 23, 2026

v0.1.0

Feb 21, 2026

Changes in this version

+ type CompensationError struct

+ Failed []CompensationFailure

+ StepCause error

+ StepName string

+ func (e *CompensationError) Error() string

+ func (e *CompensationError) Unwrap() error

+ type CompensationFailure struct

+ Err error

+ StepName string

+ type Hooks struct

+ OnCompensationDone func(ctx context.Context, name string)

+ OnCompensationFailed func(ctx context.Context, name string, err error)

+ OnCompensationStart func(ctx context.Context, name string)

+ OnStepDone func(ctx context.Context, name string, duration time.Duration)

+ OnStepFailed func(ctx context.Context, name string, err error)

+ OnStepStart func(ctx context.Context, name string)

+ type ParallelDef struct

+ func Parallel[T any](name string, steps ...*StepDef[T]) *ParallelDef[T]

+ type RetryPolicy func(attempt int) time.Duration

+ var NoDelay RetryPolicy = func(_ int) time.Duration { ... }

+ func Exponential(base time.Duration) RetryPolicy

+ func Fixed(d time.Duration) RetryPolicy

+ type Runner struct

+ func New[T any](steps ...steper[T]) *Runner[T]

+ func (r *Runner[T]) Run(ctx context.Context, state T) error

+ func (r *Runner[T]) WithOptions(opts ...RunnerOption) *Runner[T]

+ type RunnerOption func(*runnerConfig)

+ func WithHooks(h Hooks) RunnerOption

+ type StepDef struct

+ func Step[T any](name string, fn StepFunc[T]) *StepDef[T]

+ func (s *StepDef[T]) Compensate(fn StepFunc[T]) *StepDef[T]

+ func (s *StepDef[T]) Retry(attempts int, policy RetryPolicy) *StepDef[T]

+ func (s *StepDef[T]) Timeout(d time.Duration) *StepDef[T]

+ type StepError struct

+ Cause error

+ StepName string

+ func (e *StepError) Error() string

+ func (e *StepError) Unwrap() error

+ type StepFunc func(ctx context.Context, state T) error