1 use pin_project_lite::pin_project;
2 enum Enum<T, U> {
3 Struct { pinned1: T, pinned2: T, unpinned1: U, unpinned2: U },
4 Unit,
5 }
6 #[doc(hidden)]
7 #[allow(dead_code)]
8 #[allow(single_use_lifetimes)]
9 #[allow(clippy::mut_mut)]
10 #[allow(clippy::redundant_pub_crate)]
11 #[allow(clippy::type_repetition_in_bounds)]
12 enum EnumProjReplace<T, U> {
13 Struct {
14 pinned1: ::pin_project_lite::__private::PhantomData<T>,
15 pinned2: ::pin_project_lite::__private::PhantomData<T>,
16 unpinned1: U,
17 unpinned2: U,
18 },
19 Unit,
20 }
21 #[allow(single_use_lifetimes)]
22 #[allow(clippy::unknown_clippy_lints)]
23 #[allow(clippy::used_underscore_binding)]
24 const _: () = {
25 impl<T, U> Enum<T, U> {
26 #[doc(hidden)]
27 #[inline]
project_replace( self: ::pin_project_lite::__private::Pin<&mut Self>, replacement: Self, ) -> EnumProjReplace<T, U>28 fn project_replace(
29 self: ::pin_project_lite::__private::Pin<&mut Self>,
30 replacement: Self,
31 ) -> EnumProjReplace<T, U> {
32 unsafe {
33 let __self_ptr: *mut Self = self.get_unchecked_mut();
34 let __guard = ::pin_project_lite::__private::UnsafeOverwriteGuard::new(
35 __self_ptr,
36 replacement,
37 );
38 match &mut *__self_ptr {
39 Self::Struct { pinned1, pinned2, unpinned1, unpinned2 } => {
40 let result = EnumProjReplace::Struct {
41 pinned1: ::pin_project_lite::__private::PhantomData,
42 pinned2: ::pin_project_lite::__private::PhantomData,
43 unpinned1: ::pin_project_lite::__private::ptr::read(
44 unpinned1,
45 ),
46 unpinned2: ::pin_project_lite::__private::ptr::read(
47 unpinned2,
48 ),
49 };
50 {
51 (
52 ::pin_project_lite::__private::UnsafeDropInPlaceGuard::new(
53 pinned1,
54 ),
55 ::pin_project_lite::__private::UnsafeDropInPlaceGuard::new(
56 pinned2,
57 ),
58 (),
59 (),
60 );
61 }
62 result
63 }
64 Self::Unit => EnumProjReplace::Unit,
65 }
66 }
67 }
68 }
69 #[allow(non_snake_case)]
70 struct __Origin<'__pin, T, U> {
71 __dummy_lifetime: ::pin_project_lite::__private::PhantomData<&'__pin ()>,
72 Struct: (
73 T,
74 T,
75 ::pin_project_lite::__private::AlwaysUnpin<U>,
76 ::pin_project_lite::__private::AlwaysUnpin<U>,
77 ),
78 Unit: (),
79 }
80 impl<'__pin, T, U> ::pin_project_lite::__private::Unpin for Enum<T, U>
81 where
82 __Origin<'__pin, T, U>: ::pin_project_lite::__private::Unpin,
83 {}
84 trait MustNotImplDrop {}
85 #[allow(clippy::drop_bounds, drop_bounds)]
86 impl<T: ::pin_project_lite::__private::Drop> MustNotImplDrop for T {}
87 impl<T, U> MustNotImplDrop for Enum<T, U> {}
88 };
main()89 fn main() {}
90