tests/ui/proc-macro/auxiliary/derive-same-struct.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 #[proc_macro_derive(AToB)]
  11 pub fn derive1(input: TokenStream) -> TokenStream {
  12     println!("input1: {:?}", input.to_string());
  13     assert_eq!(input.to_string(), "struct A ;");
  14     "#[derive(BToC)] struct B;".parse().unwrap()
  15 }
  16
  17 #[proc_macro_derive(BToC)]
  18 pub fn derive2(input: TokenStream) -> TokenStream {
  19     assert_eq!(input.to_string(), "struct B ;");
  20     "struct C;".parse().unwrap()
  21 }