Struct DiagnosticCapture 

pub struct DiagnosticCapture { /* private fields */ }

Buffered tracing-event collector for the current thread.

Construct with Self::install; access events through Self::events; drop to uninstall. Single-threaded by construction: the installed subscriber is per-thread (via tracing::subscriber::set_default), and the inner buffer is reachable only through this guard. !Send is structural — the Rc and the tracing::dispatcher::DefaultGuard both inherit it.

Implementations

impl DiagnosticCapture

pub fn install() -> Self

Install a capture with the default capacity (DIAGNOSTIC_CAPTURE_DEFAULT_CAPACITY).

Captures lean_rs events at every level for the duration of the returned guard. Events from other targets are dropped (they still pass through to any outer subscriber the test may have installed earlier, because set_default is scoped per thread).

pub fn with_capacity(capacity: usize) -> Self

Install a capture with a custom event-buffer capacity.

pub fn events(&self) -> Vec<CapturedEvent>

Snapshot of the captured events so far, in insertion order. Cheap clone; the capture buffer keeps accumulating after the call.

pub fn overflowed(&self) -> usize

Number of events that were dropped because the bounded buffer was full. 0 for any test that stays under Self::capacity.

pub fn capacity(&self) -> usize

The buffer’s capacity in events.

Trait Implementations

impl Debug for DiagnosticCapture

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

Formats the value using the given formatter.