3 #![crate_type = "proc-macro"]
4 #![feature(repr128, proc_macro_hygiene, proc_macro_quote)]
6 extern crate proc_macro;
8 use proc_macro::{quote, TokenStream};
10 #[proc_macro_derive(DeriveSomething)]
11 pub fn derive(_: TokenStream) -> TokenStream {
12 // Shound not trigger `used_underscore_binding`
13 let _inside_derive = 1;
14 assert_eq!(_inside_derive, _inside_derive);
17 // Should not trigger `useless_attribute`
19 extern crate rustc_middle;