| //@ force-host | |
| //@ no-prefer-dynamic | |
| #![crate_type = "proc-macro"] | |
| extern crate proc_macro; | |
| use proc_macro::TokenStream; | |
| #[proc_macro_derive(A)] | |
| pub fn foo(input: TokenStream) -> TokenStream { | |
| input | |
| } | |
| #[proc_macro_derive(A)] //~ ERROR the name `A` is defined multiple times | |
| pub fn bar(input: TokenStream) -> TokenStream { | |
| input | |
| } |