| //@ force-host | |
| //@ no-prefer-dynamic | |
| #![crate_type = "proc-macro"] | |
| 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() | |
| } |