Struct tracing_ext::sub::EventVisitor

pub struct EventVisitor { /* private fields */ }

A visitor for events

The visitor saves the event data

Implementations

impl EventVisitor

pub fn record_event(event: &Event<'_>) -> Self

Records an event fields

Returns the event message and the event fields

pub fn message(&self) -> &str

Returns the event message

pub fn meta_fields(&self) -> HashMap<&'static str, &str>

Returns the event fields (exc. message)

Trait Implementations

impl Debug for EventVisitor

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for EventVisitor

fn default() -> EventVisitor

Returns the “default value” for a type.

impl Visit for EventVisitor

fn record_debug(&mut self, field: &Field, value: &dyn Debug)

Visit a value implementing fmt::Debug.

fn record_f64(&mut self, field: &Field, value: f64)

Visit a double-precision floating point value.

fn record_i64(&mut self, field: &Field, value: i64)

Visit a signed 64-bit integer value.

fn record_u64(&mut self, field: &Field, value: u64)

Visit an unsigned 64-bit integer value.

fn record_i128(&mut self, field: &Field, value: i128)

Visit a signed 128-bit integer value.

fn record_u128(&mut self, field: &Field, value: u128)

Visit an unsigned 128-bit integer value.

fn record_bool(&mut self, field: &Field, value: bool)

Visit a boolean value.

fn record_str(&mut self, field: &Field, value: &str)

Visit a string value.

fn record_error(&mut self, field: &Field, value: &(dyn Error + 'static))

Records a type implementing Error.