Trait tracing_web::FormatSpan

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pub trait FormatSpan: 'static {
    fn find_details<'ext>(&self, ext: &'ext Extensions<'_>) -> Option<&'ext str>;
    fn add_details(&self, ext: &mut ExtensionsMut<'_>, attrs: &Attributes<'_>);
    fn record_values(&self, ext: &mut ExtensionsMut<'_>, values: &Record<'_>);
}
Expand description

Determine what additional information will be attached to the performance events.

Required Methods

Find the details in the extensions of a span that will be recorded with the event.

Called when a span is constructed, with its initial attributes.

This method should insert, for later consumption in Self::find_details, a description of the details.

Called when a span records some values.

This method should modify, for later consumption in Self::find_details, the description of the details.

Implementations on Foreign Types

Implementors