rust/tests/ui/proc-macro/auxiliary/gen-macro-rules.rs
2024-11-27 07:18:25 -08:00

8 lines
198 B
Rust

extern crate proc_macro;
use proc_macro::TokenStream;
#[proc_macro_derive(repro)]
pub fn proc_macro_hack_expr(_input: TokenStream) -> TokenStream {
"macro_rules! m {()=>{}}".parse().unwrap()
}