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

18 lines
414 B
Rust

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