Trait tracing_subscriber::registry::SpanData[−][src]

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 id(&self) -> Id[src]

Returns this span’s ID.

fn metadata(&self) -> &'static Metadata<'static>[src]

Returns a reference to the span’s Metadata.

fn parent(&self) -> Option<&Id>[src]

Returns a reference to the ID

fn extensions(&self) -> Extensions<'_>[src]

Returns a reference to this span’s Extensions.

The extensions may be used by Layers to store additional data describing the span.

fn extensions_mut(&self) -> ExtensionsMut<'_>[src]

Returns a mutable reference to this span’s Extensions.