1 use pin_project::pin_project;
2 #[pin(__private(project_replace = EnumProjOwn))]
3 enum Enum<T, U> {
4 Struct { #[pin] pinned: T, unpinned: U },
5 Tuple(#[pin] T, U),
6 Unit,
7 }
8 #[allow(box_pointers)]
9 #[allow(deprecated)]
10 #[allow(explicit_outlives_requirements)]
11 #[allow(single_use_lifetimes)]
12 #[allow(unreachable_pub)]
13 #[allow(unused_tuple_struct_fields)]
14 #[allow(clippy::unknown_clippy_lints)]
15 #[allow(clippy::pattern_type_mismatch)]
16 #[allow(clippy::redundant_pub_crate)]
17 #[allow(clippy::type_repetition_in_bounds)]
18 #[allow(dead_code)]
19 #[allow(variant_size_differences)]
20 #[allow(clippy::large_enum_variant)]
21 enum EnumProjOwn<T, U> {
22 Struct { pinned: ::pin_project::__private::PhantomData<T>, unpinned: U },
23 Tuple(::pin_project::__private::PhantomData<T>, U),
24 Unit,
25 }
26 #[allow(box_pointers)]
27 #[allow(deprecated)]
28 #[allow(explicit_outlives_requirements)]
29 #[allow(single_use_lifetimes)]
30 #[allow(unreachable_pub)]
31 #[allow(unused_tuple_struct_fields)]
32 #[allow(clippy::unknown_clippy_lints)]
33 #[allow(clippy::pattern_type_mismatch)]
34 #[allow(clippy::redundant_pub_crate)]
35 #[allow(clippy::type_repetition_in_bounds)]
36 #[allow(unused_qualifications)]
37 #[allow(clippy::semicolon_if_nothing_returned)]
38 #[allow(clippy::use_self)]
39 #[allow(clippy::used_underscore_binding)]
40 const _: () = {
41 #[allow(unused_extern_crates)]
42 extern crate pin_project as _pin_project;
43 impl<T, U> Enum<T, U> {
44 #[allow(dead_code)]
project_replace( self: _pin_project::__private::Pin<&mut Self>, __replacement: Self, ) -> EnumProjOwn<T, U>45 fn project_replace(
46 self: _pin_project::__private::Pin<&mut Self>,
47 __replacement: Self,
48 ) -> EnumProjOwn<T, U> {
49 unsafe {
50 let __self_ptr: *mut Self = self.get_unchecked_mut();
51 let __guard = _pin_project::__private::UnsafeOverwriteGuard::new(
52 __self_ptr,
53 __replacement,
54 );
55 match &mut *__self_ptr {
56 Self::Struct { pinned, unpinned } => {
57 let __result = EnumProjOwn::Struct {
58 pinned: _pin_project::__private::PhantomData,
59 unpinned: _pin_project::__private::ptr::read(unpinned),
60 };
61 {
62 let __guard = _pin_project::__private::UnsafeDropInPlaceGuard::new(
63 pinned,
64 );
65 }
66 __result
67 }
68 Self::Tuple(_0, _1) => {
69 let __result = EnumProjOwn::Tuple(
70 _pin_project::__private::PhantomData,
71 _pin_project::__private::ptr::read(_1),
72 );
73 {
74 let __guard = _pin_project::__private::UnsafeDropInPlaceGuard::new(
75 _0,
76 );
77 }
78 __result
79 }
80 Self::Unit => {
81 let __result = EnumProjOwn::Unit;
82 {}
83 __result
84 }
85 }
86 }
87 }
88 }
89 #[allow(missing_debug_implementations)]
90 struct __Enum<'pin, T, U> {
91 __pin_project_use_generics: _pin_project::__private::AlwaysUnpin<
92 'pin,
93 (
94 _pin_project::__private::PhantomData<T>,
95 _pin_project::__private::PhantomData<U>,
96 ),
97 >,
98 __field0: T,
99 __field1: T,
100 }
101 impl<'pin, T, U> _pin_project::__private::Unpin for Enum<T, U>
102 where
103 __Enum<'pin, T, U>: _pin_project::__private::Unpin,
104 {}
105 #[doc(hidden)]
106 unsafe impl<'pin, T, U> _pin_project::UnsafeUnpin for Enum<T, U>
107 where
108 __Enum<'pin, T, U>: _pin_project::__private::Unpin,
109 {}
110 trait EnumMustNotImplDrop {}
111 #[allow(clippy::drop_bounds, drop_bounds)]
112 impl<T: _pin_project::__private::Drop> EnumMustNotImplDrop for T {}
113 impl<T, U> EnumMustNotImplDrop for Enum<T, U> {}
114 #[doc(hidden)]
115 impl<T, U> _pin_project::__private::PinnedDrop for Enum<T, U> {
drop(self: _pin_project::__private::Pin<&mut Self>)116 unsafe fn drop(self: _pin_project::__private::Pin<&mut Self>) {}
117 }
118 };
main()119 fn main() {}
120