| // force-host | |
| // no-prefer-dynamic | |
| #![crate_type = "proc-macro"] | |
| extern crate proc_macro; | |
| use proc_macro::*; | |
| #[proc_macro_attribute] | |
| pub fn my_attr(_: TokenStream, input: TokenStream) -> TokenStream { | |
| input | |
| } | |
| #[proc_macro_derive(MyTrait, attributes(my_attr))] | |
| pub fn derive(input: TokenStream) -> TokenStream { | |
| TokenStream::new() | |
| } |