Struct Span 

pub struct Span {
    pub span_id: String,
    pub parent_span_id: Option<String>,
    pub trace_id: String,
    pub name: String,
    pub attributes: HashMap<String, String>,
    pub status: String,
    pub error_message: String,
    pub duration_ms: f64,
    pub layer: String,
}

Span represents a unit of work in distributed tracing

Fields

span_id: String

Span ID

parent_span_id: Option<String>

Parent span ID (if any)

trace_id: String

Trace ID

name: String

Span name

attributes: HashMap<String, String>

Span attributes

status: String

Span status

error_message: String

Error message (if failed)

duration_ms: f64

Duration in milliseconds

layer: String

Architecture layer (if applicable)

Trait Implementations

impl Clone for Span

fn clone(&self) -> Span

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Span

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

Formats the value using the given formatter.