blob: 912a3c2147c5b7be681a3d93cf0d42adf5221bca [file] [log] [blame]
extern crate proc_macro;
use proc_macro::TokenStream;
#[proc_macro_attribute]
pub fn assert_input(args: TokenStream, input: TokenStream) -> TokenStream {
assert_eq!(input.to_string(), "trait Alias = Sized;");
assert!(args.is_empty());
TokenStream::new()
}