pub fn extract_variable(
ds: &Dataset,
group: &Group,
dimensions: &[NcDimension],
dim_addr_map: &HashMap<u64, NcDimension>,
metadata_mode: NcMetadataMode,
) -> Result<Option<NcVariable>>pub fn extract_variable(
ds: &Dataset,
group: &Group,
dimensions: &[NcDimension],
dim_addr_map: &HashMap<u64, NcDimension>,
metadata_mode: NcMetadataMode,
) -> Result<Option<NcVariable>>