Function mz_compute::render::join::delta_join::dispatch_build_halfjoin_local

fn dispatch_build_halfjoin_local<G, CF>(
    updates: Collection<G, (Row, G::Timestamp), Diff>,
    trace: SpecializedArrangement<G>,
    prev_key: Vec<MirScalarExpr>,
    prev_thinning: Vec<usize>,
    comparison: CF,
    closure: JoinClosure,
    shutdown_token: ShutdownToken
) -> (Collection<G, (Row, G::Timestamp), Diff>, Collection<G, DataflowError, Diff>)where
    G: Scope,
    G::Timestamp: RenderTimestamp,
    CF: Fn(&G::Timestamp, &G::Timestamp) -> bool + 'static,

Dispatches half-join construction according to arrangement type specialization.