gotools/internal/event/export/trace.go

type SpanContext …

type Span …

type contextKeyType …

const spanContextKey …

const labelContextKey …

func GetSpan(ctx context.Context) *Span { … }

// Spans creates an exporter that maintains hierarchical span structure in the
// context.
// It creates new spans on start events, adds events to the current span on
// log or label, and closes the span on end events.
// The span structure can then be used by other exporters.
func Spans(output event.Exporter) event.Exporter { … }

func (s *SpanContext) Format(f fmt.State, r rune) { … }

func (s *Span) Start() core.Event { … }

func (s *Span) Finish() core.Event { … }

func (s *Span) Events() []core.Event { … }

func (s *Span) Format(f fmt.State, r rune) { … }