pub fn up_iter<'a>(
data: &'a [u8],
bbheader: &Bbheader,
) -> Box<dyn Iterator<Item = [u8; 188]> + 'a>Expand description
Build an appropriate user-packet iterator for the given BBHEADER.
Returns either an NM or HEM iterator depending on the detected mode.
The caller must handle SYNCD alignment before calling this — typically
by skipping syncd / 8 bytes at the start of the data field.