Function getitems 

pub fn getitems<T>(src: &[u8], offset: usize, n_items: usize) -> Result<Vec<T>>

Retrieve a number of elements from a Chunk

Example

use blosc2::{getitems, compress};

let chunk = compress(&vec![0u32, 1, 2, 3, 4], None, None, None, None).unwrap();

let offset = 1;
let n_items = 2;
let items = getitems::<u32>(&chunk, offset, n_items).unwrap();
assert_eq!(items, vec![1u32, 2]);