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

use proc_macro::TokenStream;
use syn::DeriveInput;

#[proc_macro_derive(Storable)]
pub fn storable(input: TokenStream) -> TokenStream {
    let ast: DeriveInput = syn::parse(input).expect("Couldn't parse item");
    impl_storable(&ast).into()
}

fn impl_storable(ast: &DeriveInput) -> quote::Tokens {
    let name = &ast.ident;
    quote! {
        impl Storable for #name {}
    }
}