Module subscriber

Collects and records trace data.

Structs

• DefaultGuard
  A guard that resets the current default dispatcher to the prior default dispatcher when dropped.
• Interest
  Indicates a Subscriber’s interest in a particular callsite.
• NoSubscriber
  A no-op Subscriber.
• SetGlobalDefaultError
  Returned if setting the global dispatcher fails.

Traits

• Subscriber
  Trait representing the functions required to collect trace data.

Functions

• set_default
  Sets the Subscriber as the default for the current thread for the duration of the lifetime of the returned DefaultGuard.
• set_global_default
  Sets this subscriber as the global default for the duration of the entire program. Will be used as a fallback if no thread-local subscriber has been set in a thread (using with_default.)
• with_default
  Sets this Subscriber as the default for the current thread for the duration of a closure.