4 #![crate_type = "proc-macro"]
6 extern crate proc_macro;
9 #[proc_macro_attribute]
10 pub fn cfg(_: TokenStream, input: TokenStream) -> TokenStream {
11 //~^ ERROR name `cfg` is reserved in attribute namespace
15 #[proc_macro_attribute]
16 pub fn cfg_attr(_: TokenStream, input: TokenStream) -> TokenStream {
17 //~^ ERROR name `cfg_attr` is reserved in attribute namespace