// check-pass // Some constants that *are* valid #![deny(const_err)] use std::mem; use std::ptr::NonNull; use std::num::{NonZeroU8, NonZeroUsize}; const NON_NULL_PTR1: NonNull = unsafe { mem::transmute(1usize) }; const NON_NULL_PTR2: NonNull = unsafe { mem::transmute(&0) }; const NON_NULL_U8: NonZeroU8 = unsafe { mem::transmute(1u8) }; const NON_NULL_USIZE: NonZeroUsize = unsafe { mem::transmute(1usize) }; const UNIT: () = (); fn main() {}