Method insert

src/structures/dense_vector_list.rs:181–192

(&mut self, index: usize, vector: [u8; QUANTIZED_VECTOR_SIZE])

    }

    pub fn insert(&mut self, index: usize, vector: [u8; QUANTIZED_VECTOR_SIZE]) -> io::Result<()> {
        let offset = HEADER_SIZE + index * QUANTIZED_VECTOR_SIZE;
        let end = offset + QUANTIZED_VECTOR_SIZE;

        if end > self.used_space + HEADER_SIZE {
            self.resize_mmap(end * 2)?;
        }

        self.mmap[offset..end].copy_from_slice(&vector);

        Ok(())
    }
}