You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: unvalidated.rs
    path of file: ./repos/icu4x/utils/zerovec/src/ule
    
    the code of the file until where you have to start completion: // This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).

use super::{AsULE, RawBytesULE, VarULE};
use crate::ule::EqULE;
use crate::{map::ZeroMapKV, VarZeroSlice, VarZeroVec, ZeroVecError};
use alloc::boxed::Box;
use core::cmp::Ordering;
use core::fmt;
use core::ops::Deref;

//
    
    fn test_representation() {
        let chars = ['w', 'Ï‰', 'æ–‡', 'ð‘„ƒ', 'ðŸ™ƒ'];

        // backed by [UnvalidatedChar]
        let uvchars: Vec<_> = chars
            .iter()
            .copied()
            .map(UnvalidatedChar::from_char)
            .collect();
        // backed by [RawBytesULE<3>]
        let zvec: ZeroVec<_> = uvchars.clone().into_iter().collect();

        let ule_bytes = zvec.as_bytes();
        let uvbytes;
        unsafe {
            let ptr = &uvchars[..] as *const _ as *const u8;
            uvbytes = core::slice::from_raw_parts(ptr, ule_bytes.len());
        }

        // UnvalidatedChar is defined as little-endian, so this must be true on all platforms
        // also asserts that to_unaligned/from_unaligned are no-ops
        assert_eq!(uvbytes, ule_bytes);

        assert_eq!(
            &[119, 0, 0, 201, 3, 0, 135, 101, 0, 3, 17, 1, 67, 246, 1],
            ule_bytes
        );
    }