rust/tests/ui/delegation/fn-header-variadic.rs
2025-03-12 17:14:51 +03:00

26 lines
683 B
Rust

//@ aux-crate:fn_header_aux=fn-header-aux.rs
#![feature(c_variadic)]
#![feature(fn_delegation)]
#![allow(incomplete_features)]
mod to_reuse {
pub unsafe extern "C" fn variadic_fn(n: usize, mut args: ...) {}
}
reuse to_reuse::variadic_fn;
//~^ ERROR delegation to C-variadic functions is not allowed
reuse fn_header_aux::variadic_fn_extern;
//~^ ERROR delegation to C-variadic functions is not allowed
fn main() {
unsafe {
variadic_fn(0);
variadic_fn(0, 1);
variadic_fn_extern(0);
variadic_fn_extern(0, 1);
}
let _: unsafe extern "C" fn(usize, ...) = variadic_fn;
let _: unsafe extern "C" fn(usize, ...) = variadic_fn_extern;
}