Struct VoiSampler 

pub struct VoiSampler { /* private fields */ }

VOI-driven sampler with Beta-Bernoulli posterior and e-process control.

Implementations

impl VoiSampler

pub fn new(config: VoiConfig) -> Self

Create a new VOI sampler with given config.

pub fn new_at(config: VoiConfig, now: Instant) -> Self

Create a new VOI sampler at a specific time (for deterministic tests).

pub fn config(&self) -> &VoiConfig

Access the sampler configuration.

pub fn posterior_params(&self) -> (f64, f64)

Current posterior parameters (alpha, beta).

pub fn posterior_mean(&self) -> f64

Current posterior mean.

pub fn posterior_variance(&self) -> f64

Current posterior variance.

pub fn expected_variance_after(&self) -> f64

Expected posterior variance after one additional sample.

pub fn last_decision(&self) -> Option<&VoiDecision>

Most recent decision, if any.

pub fn last_observation(&self) -> Option<&VoiObservation>

Most recent observation, if any.

pub fn decide(&mut self, now: Instant) -> VoiDecision

Decide whether to sample at time now.

pub fn observe_at(&mut self, violated: bool, now: Instant) -> VoiObservation

Record a sampled observation at time now.

pub fn observe(&mut self, violated: bool) -> VoiObservation

Record a sampled observation using Instant::now().

pub fn summary(&self) -> VoiSummary

Current summary statistics.

pub fn logs(&self) -> &VecDeque<VoiLogEntry>

Access current logs.

pub fn logs_to_jsonl(&self) -> String

Render logs as JSONL.

pub fn snapshot(&self, max_logs: usize, captured_ms: u64) -> VoiSamplerSnapshot

Create a snapshot of the sampler state for debug overlays.

pub fn mark_forced_sample(&mut self)

Increment forced sample counter (for testing/integration).

Trait Implementations

impl Clone for VoiSampler

fn clone(&self) -> VoiSampler

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for VoiSampler

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

Formats the value using the given formatter.