1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
|
// Checks that pointers must not be used as the type of const params.
//@ revisions: min adt_const_params full
#![cfg_attr(full, feature(adt_const_params, unsized_const_params))]
#![cfg_attr(full, allow(incomplete_features))]
#![cfg_attr(adt_const_params, feature(adt_const_params))]
#![cfg_attr(adt_const_params, allow(incomplete_features))]
const A: u32 = 3;
struct Const<const P: *const u32>; //~ ERROR: using raw pointers as const generic parameters
impl<const P: *const u32> Const<P> {
//~^ ERROR: using raw pointers as const generic parameters
fn get() -> u32 {
unsafe { *P }
}
}
fn main() {
assert_eq!(Const::<{ &A as *const _ }>::get(), 3)
}
|
