src/test/ui/proc-macro/expand-with-a-macro.rs


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// run-pass
// needs-unwind
// aux-build:expand-with-a-macro.rs


#![deny(warnings)]

#[macro_use]
extern crate expand_with_a_macro;

use std::panic;

#[derive(A)]
struct A;

fn main() {
    assert!(panic::catch_unwind(|| {
        A.a();
    }).is_err());
}