| //@ edition:2018 | |
| #![feature(c_variadic)] | |
| pub unsafe fn unsafe_fn_extern() {} | |
| pub extern "C" fn extern_fn_extern() {} | |
| pub unsafe extern "C" fn variadic_fn_extern(n: usize, mut args: ...) {} | |
| pub const fn const_fn_extern() {} | |
| pub async fn async_fn_extern() {} |