src/test/ui/invalid/invalid_rustc_layout_scalar_valid_range.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

#![feature(rustc_attrs)]

#[rustc_layout_scalar_valid_range_start(u32::MAX)] //~ ERROR
pub struct A(u32);

#[rustc_layout_scalar_valid_range_end(1, 2)] //~ ERROR
pub struct B(u8);

#[rustc_layout_scalar_valid_range_end(a = "a")] //~ ERROR
pub struct C(i32);

#[rustc_layout_scalar_valid_range_end(1)] //~ ERROR
enum E {
    X = 1,
    Y = 14,
}

#[rustc_layout_scalar_valid_range_start(rustc_layout_scalar_valid_range_start)] //~ ERROR
struct NonZero<T>(T);

fn not_field() -> impl Send {
    NonZero(false)
}

fn main() {
    let _ = A(0);
    let _ = B(0);
    let _ = C(0);
    let _ = E::X;
}