rust/tests/ui/proc-macro/auxiliary/derive-unstable.rs

15 lines
288 B
Rust

//@ force-host
//@ no-prefer-dynamic
#![crate_type = "proc-macro"]
extern crate proc_macro;
use proc_macro::TokenStream;
#[proc_macro_derive(Unstable)]
pub fn derive(_input: TokenStream) -> TokenStream {
"unsafe fn foo() -> u32 { ::std::intrinsics::abort() }".parse().unwrap()
}