Function span_trace

libs/error-stack/src/fmt/hook.rs:532–543

(span_trace: &SpanTrace, context: &mut HookContext<SpanTrace>)

    #[cfg(feature = "spantrace")]
    fn span_trace(span_trace: &SpanTrace, context: &mut HookContext<SpanTrace>) {
        let idx = context.increment_counter();

        let mut span = 0;
        span_trace.with_spans(|_, _| {
            span += 1;
            true
        });

        context.push_appendix(format!("span trace No. {}\n{span_trace}", idx + 1));
        context.push_body(format!("span trace with {span} frames ({})", idx + 1));
    }
}