Function bookdata::marc::parse::scan_records_delim

pub fn scan_records_delim<R, W>(reader: R, output: &mut W) -> Result<usize>
where
    R: BufRead + Send + 'static,
    W: ObjectWriter<MARCRecord> + Sync + Send,

Read MARC records from delimited XML.

This reader parses the XML in parallel, since XML parsing is typically the bottleneck for MARC scanning.