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].