The highest tagged major version is v2.

tracing

package

v1.2.0 Latest Latest Go to latest Published: Jul 13, 2026 License: MIT Imports: 1 Imported by: 0

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type Attribute struct {
	Key   string
	Value any
}

Attribute is a key-value pair for span metadata.

type Span interface {
	End()
	SetAttributes(kv ...Attribute)
	RecordError(err error)
}

Span represents a tracing span that can be ended and annotated.

func StartSpan(ctx context.Context, tracer Tracer, name string) (context.Context, Span)

StartSpan starts a span from the given tracer, falling back to Noop.

type Tracer interface {
	StartSpan(ctx context.Context, name string) (context.Context, Span)
}

Tracer creates new spans.

var Noop Tracer = noopTracer{}

Noop is a Tracer that creates noop spans.