Trait tracing_facade::Tracer

pub trait Tracer: Sync + Send {
    fn record_event(&self, event: Event);
    fn flush(&self);

    fn is_enabled(&self) -> bool { ... }
    fn supports_metadata(&self) -> bool { ... }
}

A trait encompassing the operations required for tracing.

Required methods

fn record_event(&self, event: Event)

Record an Event to the Tracer.

fn flush(&self)

Flush any previously recorded Events to the Tracer.

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Provided methods

fn is_enabled(&self) -> bool

Determines whether the Tracer is enabled.

The trace macros use this to avoid doing work when unneeded.

fn supports_metadata(&self) -> bool

Specifies whether the Tracer can handle additional metadata.

The trace macros use this to avoid constructing a Metadata object which will get immediately thrown away.

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Implementors

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