mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-29 18:23:49 +00:00
23 lines
679 B
Rust
23 lines
679 B
Rust
// 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)
|
|
}
|