ContextWithSpan returns a copy of parent with span set as the current Span.

ErrorType detect error type for a metric.

SpanFromContext returns the current Span from ctx.

WithDataPointSortKey set a function to generate sort key for each data point.

WithMeterAttributeMapper set a mapping function for span attributes.

WithSpanAttributeMapper set a mapping function for span attributes.

link:https://opentelemetry.io/docs/concepts/signals/metrics/#metric-instruments.

Telemetry provides tracing and metrics collection implementations.

TestMetricFilter returns true, if the metric should be included in collected metrics in a test.

TestSpanFilter returns true, if the span should be included in collected spans in a test.