2 #![warn(clippy::transmuting_null)]
3 #![allow(clippy::zero_ptr)]
4 #![allow(clippy::transmute_ptr_to_ref)]
5 #![allow(clippy::eq_op)]
7 // Easy to lint because these only span one line.
10 let _: &u64 = std::mem::transmute(0 as *const u64);
11 let _: &u64 = std::mem::transmute(std::ptr::null::<u64>());
15 pub const ZPTR: *const usize = 0 as *const _;
16 pub const NOT_ZPTR: *const usize = 1 as *const _;
18 fn transmute_const() {
20 // Should raise a lint.
21 let _: &u64 = std::mem::transmute(ZPTR);
22 // Should NOT raise a lint.
23 let _: &u64 = std::mem::transmute(NOT_ZPTR);