use proc_macro::TokenStream;

#[proc_macro_derive(MyAttr)]
pub fn derive_myattr_fn(_item: TokenStream) -> TokenStream {
    "fn answer(&self) -> u32 { self.answer }".parse().unwrap()
}

#[derive(MyAttr)]
struct Bar {
    baz: usize,
    // add this ffrom deirve
    // answer: usize
};

fn main() {
    let num = Bar { baz: 8, answer: 7 };
    println!("{:?}", num);
}