Function tfrecord::io::blocking::try_read_len [−][src]
pub fn try_read_len<R>(
reader: &mut R,
check_integrity: bool
) -> Result<Option<usize>, Error> where
R: Read,
Try to read the record length from a generic reader.
It is internally called by try_read_record. It returns Ok(None)
if reaching the end of file.