3 #![warn(clippy::transmute_ptr_to_ref)]
4 #![allow(clippy::match_single_binding)]
6 unsafe fn _ptr_to_ref<T, U>(p: *const T, m: *mut T, o: *const U, om: *mut U) {
7 let _: &T = std::mem::transmute(p);
10 let _: &mut T = std::mem::transmute(m);
11 let _: &mut T = &mut *m;
13 let _: &T = std::mem::transmute(m);
16 let _: &mut T = std::mem::transmute(p as *mut T);
17 let _ = &mut *(p as *mut T);
19 let _: &T = std::mem::transmute(o);
20 let _: &T = &*(o as *const T);
22 let _: &mut T = std::mem::transmute(om);
23 let _: &mut T = &mut *(om as *mut T);
25 let _: &T = std::mem::transmute(om);
26 let _: &T = &*(om as *const T);
34 let raw = 42 as *const i32;
35 let _: &Foo<u8> = unsafe { std::mem::transmute::<_, &Foo<_>>(raw) };
37 let _: &Foo<&u8> = unsafe { std::mem::transmute::<_, &Foo<&_>>(raw) };
39 type Bar<'a> = &'a u8;
40 let raw = 42 as *const i32;
41 unsafe { std::mem::transmute::<_, Bar>(raw) };
44 unsafe fn _issue8924<'a, 'b, 'c>(x: *const &'a u32, y: *const &'b u32) -> &'c &'b u32 {
46 0 => std::mem::transmute(x),
47 1 => std::mem::transmute(y),
48 2 => std::mem::transmute::<_, &&'b u32>(x),
49 _ => std::mem::transmute::<_, &&'b u32>(y),
53 #[clippy::msrv = "1.38"]
54 unsafe fn _meets_msrv<'a, 'b, 'c>(x: *const &'a u32) -> &'c &'b u32 {
56 let a = &a as *const u32;
57 let _: &u32 = std::mem::transmute(a);
58 let _: &u32 = std::mem::transmute::<_, &u32>(a);
60 0 => std::mem::transmute(x),
61 _ => std::mem::transmute::<_, &&'b u32>(x),
65 #[clippy::msrv = "1.37"]
66 unsafe fn _under_msrv<'a, 'b, 'c>(x: *const &'a u32) -> &'c &'b u32 {
68 let a = &a as *const u32;
69 let _: &u32 = std::mem::transmute(a);
70 let _: &u32 = std::mem::transmute::<_, &u32>(a);
72 0 => std::mem::transmute(x),
73 _ => std::mem::transmute::<_, &&'b u32>(x),