rust/tests/ui/proc-macro/non-root.rs
2024-02-16 20:02:50 +00:00

16 lines
341 B
Rust

//@ force-host
//@ no-prefer-dynamic
#![crate_type = "proc-macro"]
extern crate proc_macro;
use proc_macro::*;
fn foo(arg: TokenStream) -> TokenStream {
#[proc_macro]
pub fn foo(arg: TokenStream) -> TokenStream { arg }
//~^ ERROR functions tagged with `#[proc_macro]` must currently reside in the root of the crate
arg
}