Struct EventMutationRecorder 

pub struct EventMutationRecorder { /* private fields */ }

A shared, cloneable log of the advice mutations produced by event handlers.

One entry is recorded per on_event invocation, in execution order, including empty mutation sets: event replay pops exactly one entry per event, so the log must stay aligned with the event stream of the recorded execution.

This handle exists for executors that are consumed by execution and whose return type cannot carry the log (see DapExecutor::record_event_mutations): obtain it before running, read it once execution completes, and feed the recorded log into DebuggerHost::set_event_replay (or Executor::into_debug_with_replay) to debug the same execution later without access to the original host’s event handlers. Hosts owned by the caller record internally instead; see DebuggerHost::with_event_advice_mutations_recording.

Implementations

impl EventMutationRecorder

pub fn new() -> Self

Create a new, empty recorder.

pub fn take(&self) -> Vec<Vec<AdviceMutation>>

Returns the recorded mutation batches, leaving the recorder empty.

pub fn snapshot(&self) -> Vec<Vec<AdviceMutation>>

Returns a copy of the recorded mutation batches, leaving the recorder intact.

pub fn len(&self) -> usize

The number of on_event invocations recorded so far.

pub fn is_empty(&self) -> bool

Returns true if no on_event invocations have been recorded.

Trait Implementations

impl Clone for EventMutationRecorder

fn clone(&self) -> EventMutationRecorder

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for EventMutationRecorder

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

Formats the value using the given formatter.

impl Default for EventMutationRecorder

fn default() -> EventMutationRecorder

Returns the “default value” for a type.