Module tracing_subscriber::fmt::format

This is supported on feature="fmt" only.

Formatters for logging tracing events.

Structs

Compact	feature="fmt" Marker for Format that indicates that the compact log format should be used.
DefaultFields	feature="fmt" The default FormatFields implementation.
DefaultVisitor	feature="fmt" The visitor produced by DefaultFields's MakeVisitor implementation.
FieldFn	feature="fmt" A FormatFields implementation that formats fields by calling a function or closure.
FieldFnVisitor	feature="fmt" The visitor produced by FieldFn's MakeVisitor implementation.
FmtSpan	feature="fmt" Configures what points in the span lifecycle are logged as events.
Format	feature="fmt" A pre-configured event formatter.
Full	feature="fmt" Marker for Format that indicates that the verbose log format should be used.
Json	feature="fmt" Marker for Format that indicates that the verbose json log format should be used.
JsonFields	feature="fmt" The JSON FormatFields implementation.
JsonVisitor	feature="fmt" The visitor produced by JsonFields's MakeVisitor implementation.

Traits

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

Functions

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