tests/ui/proc-macro/auxiliary/expand-with-a-macro.rs

   1 // force-host
   2 // no-prefer-dynamic
   3
   4 #![crate_type = "proc-macro"]
   5 #![deny(warnings)]
   6
   7 extern crate proc_macro;
   8
   9 use proc_macro::TokenStream;
  10
  11 #[proc_macro_derive(A)]
  12 pub fn derive(input: TokenStream) -> TokenStream {
  13     let input = input.to_string();
  14     assert!(input.contains("struct A ;"));
  15     r#"
  16         impl A {
  17             fn a(&self) {
  18                 panic!("hello");
  19             }
  20         }
  21     "#.parse().unwrap()
  22 }