# Packages
Package ext contains a set of Datadog-specific constants.
Package mocktracer provides a mock implementation of the tracer used in testing.
Package opentracer provides a wrapper on top of the Datadog tracer that can be used with Opentracing.
Package tracer contains Datadog's core tracing client.
# Structs
FinishConfig holds the configuration for finishing a span.
StartSpanConfig holds the configuration for starting a new span.
# Interfaces
Span represents a chunk of computation time.
SpanContext represents a span state that can propagate to descendant spans and across process boundaries.
Tracer specifies an implementation of the Datadog tracer which allows starting and propagating spans.
# Type aliases
FinishOption is a configuration option that can be used with a Span's Finish method.
StartSpanOption is a configuration option that can be used with a Tracer's StartSpan method.