mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-22 14:55:26 +00:00
12 lines
336 B
Rust
12 lines
336 B
Rust
#![feature(rustc_attrs)]
|
|
|
|
#[rustc_layout_scalar_valid_range_start(1)]
|
|
#[repr(transparent)]
|
|
pub(crate) struct NonZero<T>(pub(crate) T);
|
|
fn main() {}
|
|
|
|
const fn foo() -> NonZero<u32> { NonZero(0) }
|
|
//~^ ERROR initializing type with `rustc_layout_scalar_valid_range` attr is unsafe
|
|
|
|
const fn bar() -> NonZero<u32> { unsafe { NonZero(0) } }
|