Module metadata

Available on crate features dep_tracing and alloc only.

Metadata describing trace data.

Structs

• Kind
  Indicates whether the callsite is a span or event.
• Level
  Describes the level of verbosity of a span or event.
• LevelFilter
  A filter comparable to a verbosity Level.
• Metadata
  Metadata describing a span or event.
• ParseLevelError
  Returned if parsing a Level fails.
• ParseLevelFilterError
  Indicates that a string could not be parsed to a valid level.