extern crate syn;
#[macro_use] extern crate quote;
extern crate proc_macro2;

use proc_macro2::Span;

fn main() {
    let name = syn::Ident::new("Point", Span::call_site());
    let fields: Vec<_> = vec!["x", "y"]
        .into_iter()
        .map(|s| syn::Ident::new(s, Span::call_site()))
        .collect();

    let values = 0..fields.len();

    let tok = quote! {
        struct #name {
            #( #fields: #values ),*
        }
    };

    println!("{}", tok)
}