tests/ui/proc-macro/auxiliary/multiple-derives.rs

   1 // force-host
   2 // no-prefer-dynamic
   3
   4 #![crate_type = "proc-macro"]
   5
   6 extern crate proc_macro;
   7
   8 use proc_macro::TokenStream;
   9
  10 macro_rules! make_derives {
  11     ($($name:ident),*) => {
  12         $(
  13             #[proc_macro_derive($name)]
  14             pub fn $name(input: TokenStream) -> TokenStream {
  15                 println!("Derive {}: {}", stringify!($name), input);
  16                 TokenStream::new()
  17             }
  18         )*
  19     }
  20 }
  21
  22 make_derives!(First, Second, Third, Fourth, Fifth);