Function tfrecord::io::async_::try_read_record_data

pub async fn try_read_record_data<R>(
    reader: &mut R, 
    len: usize, 
    check_integrity: bool
) -> Result<Vec<u8>, Error> where
    R: AsyncReadExt + Unpin, 

async/await version analogous to blocking try_read_record_data.