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: main_without_field_pub_support copy.rs
    path of file: ./repos/Rust-Full-Stack/macro/dev/born/src
    
    the code of the file until where you have to start completion: // https://github.com/rust-lang/rust/blob/master/src/libstd/macros.rs
// https://www.google.com/search?client=firefox-b-d&q=what+is+token+tree+in+rust
// https://doc.rust-lang.org/rust-by-example/trait/derive.html
// https://www.google.com/search?client=firefox-b-d&q=nested macro not allowed in rust
// https://www.google.com/search?client=firefox-b-d&q=struct inheritance vs composition rust

macro_rules! nested_macro {
    ($($body:tt)*) => {
        macro_rules! __nested_macro { $($body)* }
        __nested_macro!($);
    }
}

// Include public
// https://stackoverflow.com/questions/34373169/how-do-i-create-a-rust-macro-with-optional-parameters-using-repetitions
// https://users.rust-lang.org/t/best-way-to-make-a-macro-with-required-and-optional-arguments/27514
// (You can use optional.)
// https://doc.rust-lang.org/reference/macros-by-example.html#metavariables
macro_rules! make_base {
    (struct $basestruct:tt { $( $commonfield:ident: $commonty:ty ),* $(,)* }) => {
        nested_macro! {
            ($s:tt) => {
                macro_rules! $basestruct {
                    ($s($pub:tt)?) => {
                        $s($pub)? struct $basestruct {
                            $( $commonfield: $commonty, )*
                   
    
fn main() {
    let example = Example {
        id: 1,
        meta: 1.0
    };

    println!("{}", example.id);
    println!("{}", example.meta);

    let example0 = Example0 {
        id: 1,
        meta: 1.0,
        x: 1.0,
        y: 1.0,
    };

    println!("{}", example0.id);
    println!("{}", example0.meta);
    println!("{}", example0.x);
    println!("{}", example0.y);
    // println!("{:#?}", example0); fails

    let derive_example = DeriveExample0 {
        id: 1,
        meta: 1.0,
        a: 1.0,
        b: 1.0,
    };

    assert_eq!(derive_example, derive_example.clone());
    println!("{}", &derive_example.sum_f32());
    println!("{}", sum_f32(&derive_example.a, &derive_example.b));

    let mut steadylearner = Steadylearner {
        javascript: false,
        rust: false,
        python: false,
        go: false,
    };

    steadylearner.have_npm_pacakge(true);
    steadylearner.have_cargo_pacakge(true);

    assert_eq!(steadylearner.javascript, true);
    assert_eq!(steadylearner.rust, true);
    assert_eq!(steadylearner, steadylearner.clone());

    let reuse = Reuse {
        id: 1,
        meta: 1.0
    };

    println!("{}", reuse.id);
    println!("{}", reuse.meta);

    let it = It {
        id: 1,
        meta: 1.0
    };

    assert_eq!(it, it.clone());
}