Trait tracing_subscriber::registry::SpanData
source · [−]pub trait SpanData<'a> {
fn id(&self) -> Id;
fn metadata(&self) -> &'static Metadata<'static>;
fn parent(&self) -> Option<&Id>;
fn extensions(&self) -> Extensions<'_>;
fn extensions_mut(&self) -> ExtensionsMut<'_>;
}
Expand description
A stored representation of data associated with a span.
Required Methods
fn extensions(&self) -> Extensions<'_>
fn extensions(&self) -> Extensions<'_>
Returns a reference to this span’s Extensions
.
The extensions may be used by Layer
s to store additional data
describing the span.
fn extensions_mut(&self) -> ExtensionsMut<'_>
fn extensions_mut(&self) -> ExtensionsMut<'_>
Returns a mutable reference to this span’s Extensions
.
The extensions may be used by Layer
s to store additional data
describing the span.