Struct NoTracer

pub struct NoTracer {}

This tracer provides no tracing data at all and serves as a default value.

Trait Implementations

impl Clone for NoTracer

fn clone(&self) -> NoTracer

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for NoTracer

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

Formats the value using the given formatter.

impl Default for NoTracer

fn default() -> NoTracer

Returns the “default value” for a type.

impl Tracer for NoTracer

fn parse_start(&mut self)

This method is invoked at the start of event parsing

fn parse_end(&mut self)

This method is invoked at the end of event parsing

fn eval_start(&mut self)

This method is invoked at the start of the evaluation cycle.

fn eval_end(&mut self)

This method is invoked at the end of the evaluation cycle.

fn spawn_start(&mut self, _output: OutputReference)

This method is invoked at the start of the spawn evaluation of stream output

fn spawn_end(&mut self, _output: OutputReference)

This method is invoked at the end of the spawn evaluation of stream output

fn instance_eval_start(&mut self, _output: OutputReference, _instance: &[Value])

This method is invoked at the start of the evaluation of stream output

fn instance_eval_end(&mut self, _output: OutputReference, _instance: &[Value])

This method is invoked at the end of the evaluation of stream output

fn close_start(&mut self, _output: OutputReference, _instance: &[Value])

This method is invoked at the start of the close evaluation of stream output

fn close_end(&mut self, _output: OutputReference, _instance: &[Value])

This method is invoked at the end of the close evaluation of stream output

impl Copy for NoTracer