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#![feature(proc_macro_quote)]
extern crate proc_macro;
use proc_macro::{TokenStream, quote};
#[proc_macro_attribute]
pub fn first_attr(_: TokenStream, input: TokenStream) -> TokenStream {
let recollected: TokenStream = input.into_iter().collect();
println!("First recollected: {:#?}", recollected);
quote! {
#[second_attr]
$recollected
}
}
#[proc_macro_attribute]
pub fn second_attr(_: TokenStream, input: TokenStream) -> TokenStream {
let recollected: TokenStream = input.into_iter().collect();
println!("Second recollected: {:#?}", recollected);
TokenStream::new()
}
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