1 use pin_project::pin_project;
2 #[pin(__private(project_replace = ProjOwn))]
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 ProjOwn<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)]
45 #[inline]
project_replace( self: _pin_project::__private::Pin<&mut Self>, __replacement: Self, ) -> ProjOwn<T, U>46 fn project_replace(
47 self: _pin_project::__private::Pin<&mut Self>,
48 __replacement: Self,
49 ) -> ProjOwn<T, U> {
50 unsafe {
51 let __self_ptr: *mut Self = self.get_unchecked_mut();
52 let __guard = _pin_project::__private::UnsafeOverwriteGuard::new(
53 __self_ptr,
54 __replacement,
55 );
56 match &mut *__self_ptr {
57 Self::Struct { pinned, unpinned } => {
58 let __result = ProjOwn::Struct {
59 pinned: _pin_project::__private::PhantomData,
60 unpinned: _pin_project::__private::ptr::read(unpinned),
61 };
62 {
63 let __guard = _pin_project::__private::UnsafeDropInPlaceGuard::new(
64 pinned,
65 );
66 }
67 __result
68 }
69 Self::Tuple(_0, _1) => {
70 let __result = ProjOwn::Tuple(
71 _pin_project::__private::PhantomData,
72 _pin_project::__private::ptr::read(_1),
73 );
74 {
75 let __guard = _pin_project::__private::UnsafeDropInPlaceGuard::new(
76 _0,
77 );
78 }
79 __result
80 }
81 Self::Unit => {
82 let __result = ProjOwn::Unit;
83 {}
84 __result
85 }
86 }
87 }
88 }
89 }
90 #[allow(missing_debug_implementations)]
91 struct __Enum<'pin, T, U> {
92 __pin_project_use_generics: _pin_project::__private::AlwaysUnpin<
93 'pin,
94 (
95 _pin_project::__private::PhantomData<T>,
96 _pin_project::__private::PhantomData<U>,
97 ),
98 >,
99 __field0: T,
100 __field1: T,
101 }
102 impl<'pin, T, U> _pin_project::__private::Unpin for Enum<T, U>
103 where
104 __Enum<'pin, T, U>: _pin_project::__private::Unpin,
105 {}
106 #[doc(hidden)]
107 unsafe impl<'pin, T, U> _pin_project::UnsafeUnpin for Enum<T, U>
108 where
109 __Enum<'pin, T, U>: _pin_project::__private::Unpin,
110 {}
111 trait EnumMustNotImplDrop {}
112 #[allow(clippy::drop_bounds, drop_bounds)]
113 impl<T: _pin_project::__private::Drop> EnumMustNotImplDrop for T {}
114 impl<T, U> EnumMustNotImplDrop for Enum<T, U> {}
115 #[doc(hidden)]
116 impl<T, U> _pin_project::__private::PinnedDrop for Enum<T, U> {
drop(self: _pin_project::__private::Pin<&mut Self>)117 unsafe fn drop(self: _pin_project::__private::Pin<&mut Self>) {}
118 }
119 };
main()120 fn main() {}
121