Module tracing_subscriber::fmt::format

Formatters for logging tracing events.

Structs

• Compact
  Marker for Format that indicates that the compact log format should be used.
• DefaultFields
  The default FormatFields implementation.
• DefaultVisitor
  The visitor produced by DefaultFields’s MakeVisitor implementation.
• FieldFn
  A FormatFields implementation that formats fields by calling a function or closure.
• FieldFnVisitor
  The visitor produced by FieldFn’s MakeVisitor implementation.
• FmtSpan
  Configures what points in the span lifecycle are logged as events.
• Format
  A pre-configured event formatter.
• Full
  Marker for Format that indicates that the verbose log format should be used.
• Json
  Marker for Format that indicates that the verbose JSON log format should be used.
• JsonFields
  The JSON FormatFields implementation.
• JsonVisitor
  The visitor produced by JsonFields’s MakeVisitor implementation.
• Pretty
  An excessively pretty, human-readable event formatter.
• PrettyFields
  An excessively pretty, human-readable MakeVisitor implementation.
• PrettyVisitor
  The visitor produced by Pretty’s MakeVisitor implementation.

Traits

• FormatEvent
  A type that can format a tracing Event for a fmt::Write.
• FormatFields
  A type that can format a set of fields to a fmt::Write.

Functions

• debug_fn
  Returns a FormatFields implementation that formats fields using the provided function or closure.
• format
  Returns the default configuration for an [event formatter].
• json
  Returns the default configuration for a JSON [event formatter].