1 use pin_project_lite::pin_project;
2 enum Enum<T, U> {
3 Struct {
4 pinned1: T,
5 pinned2: T,
6 unpinned1: U,
7 unpinned2: U,
8 },
9 Unit,
10 }
11 #[allow(dead_code)]
12 #[allow(single_use_lifetimes)]
13 #[allow(clippy::mut_mut)]
14 #[allow(clippy::redundant_pub_crate)]
15 #[allow(clippy::type_repetition_in_bounds)]
16 enum EnumProjReplace<T, U> {
17 Struct {
18 pinned1: ::pin_project_lite::__private::PhantomData<T>,
19 pinned2: ::pin_project_lite::__private::PhantomData<T>,
20 unpinned1: U,
21 unpinned2: U,
22 },
23 Unit,
24 }
25 #[allow(single_use_lifetimes)]
26 #[allow(clippy::unknown_clippy_lints)]
27 #[allow(clippy::used_underscore_binding)]
28 const _: () = {
29 impl<T, U> Enum<T, U> {
project_replace( self: ::pin_project_lite::__private::Pin<&mut Self>, replacement: Self, ) -> EnumProjReplace<T, U>30 fn project_replace(
31 self: ::pin_project_lite::__private::Pin<&mut Self>,
32 replacement: Self,
33 ) -> EnumProjReplace<T, U> {
34 unsafe {
35 let __self_ptr: *mut Self = self.get_unchecked_mut();
36 let __guard = ::pin_project_lite::__private::UnsafeOverwriteGuard::new(
37 __self_ptr,
38 replacement,
39 );
40 match &mut *__self_ptr {
41 Self::Struct {
42 pinned1,
43 pinned2,
44 unpinned1,
45 unpinned2,
46 } => {
47 let result = EnumProjReplace::Struct {
48 pinned1: ::pin_project_lite::__private::PhantomData,
49 pinned2: ::pin_project_lite::__private::PhantomData,
50 unpinned1: ::pin_project_lite::__private::ptr::read(unpinned1),
51 unpinned2: ::pin_project_lite::__private::ptr::read(unpinned2),
52 };
53 {
54 (
55 ::pin_project_lite::__private::UnsafeDropInPlaceGuard::new(pinned1),
56 ::pin_project_lite::__private::UnsafeDropInPlaceGuard::new(pinned2),
57 (),
58 (),
59 );
60 }
61 result
62 }
63 Self::Unit => EnumProjReplace::Unit,
64 }
65 }
66 }
67 }
68 #[allow(non_snake_case)]
69 struct __Origin<'__pin, T, U> {
70 __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
71 Struct: (
72 T,
73 T,
74 ::pin_project_lite::__private::AlwaysUnpin<U>,
75 ::pin_project_lite::__private::AlwaysUnpin<U>,
76 ),
77 Unit: (),
78 }
79 impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Enum<T, U> where
80 __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin
81 {
82 }
83 trait MustNotImplDrop {}
84 #[allow(clippy::drop_bounds, drop_bounds)]
85 impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
86 impl<T, U> MustNotImplDrop for Enum<T, U> {}
87 };
main()88 fn main() {}
89