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: serialize.rs
    path of file: ./repos/ndarray/xtest-serialization/tests
    
    the code of the file until where you have to start completion: extern crate ndarray;

extern crate serde;

extern crate serde_json;

extern crate rmp_serde;

#[cfg(feature = "ron")]
extern crate ron;

use ndarray::{arr0, arr1, arr2, s, ArcArray, ArcArray2, ArrayD, IxDyn};

#[test]
fn serial_many_dim_serde() {
    {
        let a = arr0::<f32>(2.72);
        let serial 
    
fn serial_many_dim_ron() {
    use ron::de::from_str as ron_deserialize;
    use ron::ser::to_string as ron_serialize;

    {
        let a = arr0::<f32>(2.72);

        let a_s = ron_serialize(&a).unwrap();

        let a_de: ArcArray<f32, _> = ron_deserialize(&a_s).unwrap();

        assert_eq!(a, a_de);
    }

    {
        let a = arr1::<f32>(&[2.72, 1., 2.]);

        let a_s = ron_serialize(&a).unwrap();

        let a_de: ArcArray<f32, _> = ron_deserialize(&a_s).unwrap();

        assert_eq!(a, a_de);
    }

    {
        let a = arr2(&[[3., 1., 2.2], [3.1, 4., 7.]]);

        let a_s = ron_serialize(&a).unwrap();

        let a_de: ArcArray<f32, _> = ron_deserialize(&a_s).unwrap();

        assert_eq!(a, a_de);
    }

    {
        // Test a sliced array.
        let mut a = ArcArray::linspace(0., 31., 32).into_shape_with_order((2, 2, 2, 4)).unwrap();
        a.slice_collapse(s![..;-1, .., .., ..2]);

        let a_s = ron_serialize(&a).unwrap();

        let a_de: ArcArray<f32, _> = ron_deserialize(&a_s).unwrap();

        assert_eq!(a, a_de);
    }
}