Struct AndRetriever 

pub struct AndRetriever { /* private fields */ }

.and(A, B) — concurrent fan-out, concatenated output (with per-source tag preserved).

Implementations

impl AndRetriever

pub fn branches(&self) -> (&dyn Retriever, &dyn Retriever)

Read-only branch accessors for the documented as_any tree-inspection pattern (operators/mod.rs) — lets external callers (e.g. harness shape tests) walk a composed root without widening field visibility.

impl AndRetriever

pub fn new(left: Box<dyn Retriever>, right: Box<dyn Retriever>) -> AndRetriever

pub fn fuse_rrf(self, k: u32) -> FuseRrfRetriever

pub fn top(self, n: usize) -> TopRetriever

pub fn rerank(self, reranker: Arc<dyn Reranker>) -> RerankRetriever

Wrap with a cross-encoder rerank pass (Plan 02-03).

pub fn degraded_fallback<R>(self, fallback: R) -> DegradedFallbackRetriever

where R: Retriever + 'static,

Wrap with a fallback retriever — if THIS And path errors, switch to fallback and tag returned hits with degraded: true (Plan 02-03).

Trait Implementations

impl Retriever for AndRetriever

fn retrieve<'life0, 'life1, 'async_trait>( &'life0 self, ctx: &'life1 QueryContext, ) -> Pin<Box<dyn Future<Output = Result<Vec<RawHit>, LunarisError>> + Send + 'async_trait>>

where 'life0: 'async_trait, 'life1: 'async_trait, AndRetriever: 'async_trait,

Run the operator against ctx and return the unranked-or-ranked raw hits this operator produces. The downstream stage (combinator or fuse_rrf) decides what to do with them.

fn as_any(&self) -> &(dyn Any + 'static)

Cast this operator to &dyn Any so the RRF routing dispatcher can recover the concrete operator type. Concrete operators override with fn as_any(&self) -> &dyn Any { self }. The default returns a sentinel &() so unknown operators downcast as None (and the dispatcher falls back to client-side RRF instead of misrouting).