Instrument instruments the mux.Router so that requests are traced.

Middleware returns a new gorilla/mux middleware handler for tracing requests and reporting errors.

WithPanicPropagation returns a Option which enable panic propagation.

WithRequestIgnorer returns a Option which sets r as the function to use to determine whether or not a request should be ignored.

WithTracer returns an Option which sets t as the tracer to use for tracing server requests.

WrapMethodNotAllowedHandler wraps h with m.

WrapNotFoundHandler wraps h with m.

Option sets options for tracing.