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#![feature(transparent_unions)]
#![feature(ptr_internals)]
#![deny(improper_ctypes)]
#![allow(dead_code)]
use std::num;
enum Z {}
enum U {
A,
}
enum B {
C,
D,
}
enum T {
E,
F,
G,
}
#[repr(C)]
enum ReprC {
A,
B,
C,
}
#[repr(u8)]
enum U8 {
A,
B,
C,
}
#[repr(isize)]
enum Isize {
A,
B,
C,
}
#[repr(transparent)]
struct TransparentStruct<T>(T, std::marker::PhantomData<Z>);
#[repr(transparent)]
enum TransparentEnum<T> {
Variant(T, std::marker::PhantomData<Z>),
}
#[repr(transparent)]
union TransparentUnion<T: Copy> {
field: T,
}
struct Rust<T>(T);
extern "C" {
fn zf(x: Z);
fn uf(x: U); //~ ERROR `extern` block uses type `U`
fn bf(x: B); //~ ERROR `extern` block uses type `B`
fn tf(x: T); //~ ERROR `extern` block uses type `T`
fn repr_c(x: ReprC);
fn repr_u8(x: U8);
fn repr_isize(x: Isize);
fn option_ref(x: Option<&'static u8>);
fn option_fn(x: Option<extern "C" fn()>);
fn nonnull(x: Option<std::ptr::NonNull<u8>>);
fn unique(x: Option<std::ptr::Unique<u8>>);
fn nonzero_u8(x: Option<num::NonZeroU8>);
fn nonzero_u16(x: Option<num::NonZeroU16>);
fn nonzero_u32(x: Option<num::NonZeroU32>);
fn nonzero_u64(x: Option<num::NonZeroU64>);
fn nonzero_u128(x: Option<num::NonZeroU128>);
//~^ ERROR `extern` block uses type `u128`
fn nonzero_usize(x: Option<num::NonZeroUsize>);
fn nonzero_i8(x: Option<num::NonZeroI8>);
fn nonzero_i16(x: Option<num::NonZeroI16>);
fn nonzero_i32(x: Option<num::NonZeroI32>);
fn nonzero_i64(x: Option<num::NonZeroI64>);
fn nonzero_i128(x: Option<num::NonZeroI128>);
//~^ ERROR `extern` block uses type `i128`
fn nonzero_isize(x: Option<num::NonZeroIsize>);
fn transparent_struct(x: Option<TransparentStruct<num::NonZeroU8>>);
fn transparent_enum(x: Option<TransparentEnum<num::NonZeroU8>>);
fn transparent_union(x: Option<TransparentUnion<num::NonZeroU8>>);
//~^ ERROR `extern` block uses type
fn repr_rust(x: Option<Rust<num::NonZeroU8>>); //~ ERROR `extern` block uses type
fn no_result(x: Result<(), num::NonZeroI32>); //~ ERROR `extern` block uses type
}
pub fn main() {}
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