58 lines
1.3 KiB
Rust
58 lines
1.3 KiB
Rust
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//@ check-pass
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//@ edition:2018
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//@ aux-crate:fn_header_aux=fn-header-aux.rs
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#![feature(c_variadic)]
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#![feature(fn_delegation)]
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#![allow(incomplete_features)]
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#![deny(unused_unsafe)]
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mod to_reuse {
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pub unsafe fn unsafe_fn() {}
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pub extern "C" fn extern_fn() {}
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pub unsafe extern "C" fn variadic_fn(n: usize, mut args: ...) {}
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pub const fn const_fn() {}
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pub async fn async_fn() {}
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}
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reuse to_reuse::unsafe_fn;
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reuse to_reuse::extern_fn;
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reuse to_reuse::variadic_fn;
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reuse to_reuse::const_fn;
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reuse to_reuse::async_fn;
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reuse fn_header_aux::unsafe_fn_extern;
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reuse fn_header_aux::extern_fn_extern;
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reuse fn_header_aux::variadic_fn_extern;
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reuse fn_header_aux::const_fn_extern;
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reuse fn_header_aux::async_fn_extern;
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const fn const_check() {
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const_fn();
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const_fn_extern();
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}
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async fn async_check() {
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async_fn().await;
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async_fn_extern().await;
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}
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fn main() {
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unsafe {
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unsafe_fn();
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unsafe_fn_extern();
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}
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extern_fn();
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extern_fn_extern();
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let _: extern "C" fn() = extern_fn;
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let _: extern "C" fn() = extern_fn_extern;
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unsafe {
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variadic_fn(0);
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variadic_fn(0, 1);
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variadic_fn_extern(0);
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variadic_fn_extern(0, 1);
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}
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let _: unsafe extern "C" fn(usize, ...) = variadic_fn;
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let _: unsafe extern "C" fn(usize, ...) = variadic_fn_extern;
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}
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