# Functions
NewHandler returns another http.Handler, instrumented to emit tracing spans according to Options.
NewOptions is a helper method for constructing `tracing.Options`.
NewTransport returns another http.RoundTripper, instrumented to emit tracing spans according to Options.
RegisterHTTPTracing enables a HTTPTracingService for further use.
# Interfaces
HTTPTracingService defines how distributed tracing comes in, server- and client-side.
# Type aliases
Options are options for the HTTPTracingService, passed along as-is.