ctxutil

package

v1.3.13 Latest Latest Go to latest Published: May 12, 2026 License: MIT Imports: 6 Imported by: 0

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func Call(ctx context.Context, prefix string, fn func() error, lateFn func(error)) error

Allows fn to return early on ctx cancel. If fn does not return in time, lateFn will run at the end of fn (async).

func CallsState() string

func GetNamedCancel(ctx context.Context, name string) (context.CancelFunc, bool)

func Keep[T any](ps ...*T) *keeper[T]

func MustCancelNamed(ctx context.Context, name string)

func PipeWithContext(ctx context.Context) (*io.PipeReader, *io.PipeWriter)

func Retry(ctx context.Context, prefix string, retryPause time.Duration, increaseSleep bool, fn func() error, lateFn func(error)) error

func RetryIncrease(ctx context.Context, retryPause time.Duration, fn func() error) error

func Sleep(ctx context.Context, dur time.Duration) error

func TryCancelNamed(ctx context.Context, name string) bool

func WithCancel2(ctx1, ctx2 context.Context) (context.Context, context.CancelFunc)

func WithNamedCancel(ctx context.Context, name string) context.Context

type Ctx struct {
	Parent *Ctx
	// name/value (short names to avoid usage, still exporting it)
	N string
	V any
}

func (ctx *Ctx) Value(name string) (any, *Ctx)

func (ctx *Ctx) ValueBool(name string) bool

func (ctx *Ctx) ValueInt(name string) int

func (ctx *Ctx) WithValue(name string, value any) *Ctx