rust/tests/ui/proc-macro/auxiliary/derive-a.rs
2024-02-16 20:02:50 +00:00

16 lines
303 B
Rust

//@ force-host
//@ no-prefer-dynamic
#![crate_type = "proc-macro"]
extern crate proc_macro;
use proc_macro::TokenStream;
#[proc_macro_derive(A)]
pub fn derive(input: TokenStream) -> TokenStream {
let input = input.to_string();
assert!(input.contains("struct A;"));
"".parse().unwrap()
}