Function is_field_null

nodedb-query/src/msgpack_scan/compare.rs:147–149

Check if a field value is null without extracting it.

(buf: &[u8], range: (usize, usize))

/// Check if a field value is null without extracting it.
pub fn is_field_null(buf: &[u8], range: (usize, usize)) -> bool {
    read_null(buf, range.0)
}

/// Type rank for cross-type ordering. Lower rank = sorts first.
/// Null(0) < Bool(1) < Number(2) < String(3) < Binary(4) < Array(5) < Map(6) < Ext(7)