Function try_encode_int64_dict

nodedb-array/src/codec/coord_delta.rs:75–84

(values: &[CoordValue])

const DICT_TAG_MSGPACK: u8 = 2; // per-value zerompk msgpack (string/mixed CoordValue)

fn try_encode_int64_dict(values: &[CoordValue]) -> Option<Vec<i64>> {
    let mut out = Vec::with_capacity(values.len());
    for v in values {
        match v {
            CoordValue::Int64(n) => out.push(*n),
            _ => return None,
        }
    }
    Some(out)
}

/// Encode one axis of a `DimDict` into a byte vector.
pub fn encode_coord_axis(dict: &DimDict, out: &mut Vec<u8>) -> ArrayResult<()> {