Function try_reserve_or_skip

nodedb-vector/src/quantize/pq.rs:29–37

(
    governor: &Option<Arc<MemoryGovernor>>,
    bytes: usize,
)

/// alive for the duration of the allocation it covers.
#[inline]
fn try_reserve_or_skip(
    governor: &Option<Arc<MemoryGovernor>>,
    bytes: usize,
) -> Result<Option<nodedb_mem::BudgetGuard>, VectorError> {
    match governor {
        Some(g) => Ok(Some(g.reserve(EngineId::Vector, bytes)?)),
        None => Ok(None),
    }
}

/// PQ codec with trained codebooks.
#[derive(