Method equality

nodedb-vector/src/collection/payload_index.rs:209–212

Return the bitmap of node ids with `field = value`, or `None` if the value has never been inserted (empty set).

(&self, value: &Value)

    /// Return the bitmap of node ids with `field = value`, or `None` if the
    /// value has never been inserted (empty set).
    pub fn equality(&self, value: &Value) -> Option<&RoaringBitmap> {
        let key = PayloadKey::from_value(value)?;
        self.bitmaps.get(&key)
    }

    /// Return the union bitmap of all entries whose key falls in
    /// `[low, high]` (with `low_inclusive` / `high_inclusive` controlling