rust/tests/ui/proc-macro/auxiliary/bang-macro.rs

18 lines
321 B
Rust

//@ force-host
//@ no-prefer-dynamic
#![crate_type = "proc-macro"]
extern crate proc_macro;
use proc_macro::TokenStream;
#[proc_macro]
pub fn rewrite(input: TokenStream) -> TokenStream {
let input = input.to_string();
assert_eq!(input, r#""Hello, world!""#);
r#""NOT Hello, world!""#.parse().unwrap()
}