Module tracing_subscriber::layer[][src]

A composable abstraction for building Subscribers.

Structs

Context

Represents information about the current context provided to Layers by the wrapped Subscriber.

Identity

A layer that does nothing.

Layered

A Subscriber composed of a Subscriber wrapped by one or more Layers.

Scope

An iterator over the stored data for all the spans in the current context, starting the root of the trace tree and ending with the current span.

Traits

Layer

A composable handler for tracing events.

SubscriberExt

Extension trait adding a with(Layer) combinator to Subscribers.