kubernetes/vendor/go.opentelemetry.io/otel/trace/context.go

type traceContextKeyType …

const currentSpanKey …

// ContextWithSpan returns a copy of parent with span set as the current Span.
func ContextWithSpan(parent context.Context, span Span) context.Context { … }

// ContextWithSpanContext returns a copy of parent with sc as the current
// Span. The Span implementation that wraps sc is non-recording and performs
// no operations other than to return sc as the SpanContext from the
// SpanContext method.
func ContextWithSpanContext(parent context.Context, sc SpanContext) context.Context { … }

// ContextWithRemoteSpanContext returns a copy of parent with rsc set explicly
// as a remote SpanContext and as the current Span. The Span implementation
// that wraps rsc is non-recording and performs no operations other than to
// return rsc as the SpanContext from the SpanContext method.
func ContextWithRemoteSpanContext(parent context.Context, rsc SpanContext) context.Context { … }

// SpanFromContext returns the current Span from ctx.
//
// If no Span is currently set in ctx an implementation of a Span that
// performs no operations is returned.
func SpanFromContext(ctx context.Context) Span { … }

// SpanContextFromContext returns the current Span's SpanContext.
func SpanContextFromContext(ctx context.Context) SpanContext { … }