pub fn parse_rel_header(record: &StringRecord) -> Result<RelSchema, String>Expand description
Parse a relationships-file header. Needs exactly one each of :START_ID,
:END_ID and :TYPE.
pub fn parse_rel_header(record: &StringRecord) -> Result<RelSchema, String>Parse a relationships-file header. Needs exactly one each of :START_ID,
:END_ID and :TYPE.