rust/tests/ui/proc-macro/auxiliary/gen-macro-rules.rs

13 lines
267 B
Rust

//@ force-host
//@ no-prefer-dynamic
#![crate_type = "proc-macro"]
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()
}