1 use pin_project::pin_project;
2 # [pin (__private (project = EnumProj , project_ref = EnumProjRef , project_replace = EnumProjOwn))]
3 enum Enum<T, U> {
4 Struct {
5 #[pin]
6 pinned1: T,
7 #[pin]
8 pinned2: T,
9 unpinned1: U,
10 unpinned2: U,
11 },
12 Tuple(#[pin] T, #[pin] T, U, U),
13 Unit,
14 }
15 #[allow(box_pointers)]
16 #[allow(deprecated)]
17 #[allow(explicit_outlives_requirements)]
18 #[allow(single_use_lifetimes)]
19 #[allow(unreachable_pub)]
20 #[allow(clippy::unknown_clippy_lints)]
21 #[allow(clippy::pattern_type_mismatch)]
22 #[allow(clippy::redundant_pub_crate)]
23 #[allow(clippy::type_repetition_in_bounds)]
24 #[allow(dead_code)]
25 #[allow(clippy::mut_mut)]
26 enum EnumProj<'pin, T, U>
27 where
28 Enum<T, U>: 'pin,
29 {
30 Struct {
31 pinned1: ::pin_project::__private::Pin<&'pin mut (T)>,
32 pinned2: ::pin_project::__private::Pin<&'pin mut (T)>,
33 unpinned1: &'pin mut (U),
34 unpinned2: &'pin mut (U),
35 },
36 Tuple(
37 ::pin_project::__private::Pin<&'pin mut (T)>,
38 ::pin_project::__private::Pin<&'pin mut (T)>,
39 &'pin mut (U),
40 &'pin mut (U),
41 ),
42 Unit,
43 }
44 #[allow(box_pointers)]
45 #[allow(deprecated)]
46 #[allow(explicit_outlives_requirements)]
47 #[allow(single_use_lifetimes)]
48 #[allow(unreachable_pub)]
49 #[allow(clippy::unknown_clippy_lints)]
50 #[allow(clippy::pattern_type_mismatch)]
51 #[allow(clippy::redundant_pub_crate)]
52 #[allow(clippy::type_repetition_in_bounds)]
53 #[allow(dead_code)]
54 #[allow(clippy::ref_option_ref)]
55 enum EnumProjRef<'pin, T, U>
56 where
57 Enum<T, U>: 'pin,
58 {
59 Struct {
60 pinned1: ::pin_project::__private::Pin<&'pin (T)>,
61 pinned2: ::pin_project::__private::Pin<&'pin (T)>,
62 unpinned1: &'pin (U),
63 unpinned2: &'pin (U),
64 },
65 Tuple(
66 ::pin_project::__private::Pin<&'pin (T)>,
67 ::pin_project::__private::Pin<&'pin (T)>,
68 &'pin (U),
69 &'pin (U),
70 ),
71 Unit,
72 }
73 #[allow(box_pointers)]
74 #[allow(deprecated)]
75 #[allow(explicit_outlives_requirements)]
76 #[allow(single_use_lifetimes)]
77 #[allow(unreachable_pub)]
78 #[allow(clippy::unknown_clippy_lints)]
79 #[allow(clippy::pattern_type_mismatch)]
80 #[allow(clippy::redundant_pub_crate)]
81 #[allow(clippy::type_repetition_in_bounds)]
82 #[allow(dead_code)]
83 #[allow(variant_size_differences)]
84 #[allow(clippy::large_enum_variant)]
85 enum EnumProjOwn<T, U> {
86 Struct {
87 pinned1: ::pin_project::__private::PhantomData<T>,
88 pinned2: ::pin_project::__private::PhantomData<T>,
89 unpinned1: U,
90 unpinned2: U,
91 },
92 Tuple(
93 ::pin_project::__private::PhantomData<T>,
94 ::pin_project::__private::PhantomData<T>,
95 U,
96 U,
97 ),
98 Unit,
99 }
100 #[allow(box_pointers)]
101 #[allow(deprecated)]
102 #[allow(explicit_outlives_requirements)]
103 #[allow(single_use_lifetimes)]
104 #[allow(unreachable_pub)]
105 #[allow(clippy::unknown_clippy_lints)]
106 #[allow(clippy::pattern_type_mismatch)]
107 #[allow(clippy::redundant_pub_crate)]
108 #[allow(clippy::type_repetition_in_bounds)]
109 #[allow(unused_qualifications)]
110 #[allow(clippy::semicolon_if_nothing_returned)]
111 #[allow(clippy::use_self)]
112 #[allow(clippy::used_underscore_binding)]
113 const _: () = {
114 #[allow(unused_extern_crates)]
115 extern crate pin_project as _pin_project;
116 impl<T, U> Enum<T, U> {
project<'pin>( self: _pin_project::__private::Pin<&'pin mut Self>, ) -> EnumProj<'pin, T, U>117 fn project<'pin>(
118 self: _pin_project::__private::Pin<&'pin mut Self>,
119 ) -> EnumProj<'pin, T, U> {
120 unsafe {
121 match self.get_unchecked_mut() {
122 Self::Struct {
123 pinned1,
124 pinned2,
125 unpinned1,
126 unpinned2,
127 } => EnumProj::Struct {
128 pinned1: _pin_project::__private::Pin::new_unchecked(pinned1),
129 pinned2: _pin_project::__private::Pin::new_unchecked(pinned2),
130 unpinned1,
131 unpinned2,
132 },
133 Self::Tuple(_0, _1, _2, _3) => EnumProj::Tuple(
134 _pin_project::__private::Pin::new_unchecked(_0),
135 _pin_project::__private::Pin::new_unchecked(_1),
136 _2,
137 _3,
138 ),
139 Self::Unit => EnumProj::Unit,
140 }
141 }
142 }
143 #[allow(clippy::missing_const_for_fn)]
project_ref<'pin>( self: _pin_project::__private::Pin<&'pin Self>, ) -> EnumProjRef<'pin, T, U>144 fn project_ref<'pin>(
145 self: _pin_project::__private::Pin<&'pin Self>,
146 ) -> EnumProjRef<'pin, T, U> {
147 unsafe {
148 match self.get_ref() {
149 Self::Struct {
150 pinned1,
151 pinned2,
152 unpinned1,
153 unpinned2,
154 } => EnumProjRef::Struct {
155 pinned1: _pin_project::__private::Pin::new_unchecked(pinned1),
156 pinned2: _pin_project::__private::Pin::new_unchecked(pinned2),
157 unpinned1,
158 unpinned2,
159 },
160 Self::Tuple(_0, _1, _2, _3) => EnumProjRef::Tuple(
161 _pin_project::__private::Pin::new_unchecked(_0),
162 _pin_project::__private::Pin::new_unchecked(_1),
163 _2,
164 _3,
165 ),
166 Self::Unit => EnumProjRef::Unit,
167 }
168 }
169 }
project_replace( self: _pin_project::__private::Pin<&mut Self>, __replacement: Self, ) -> EnumProjOwn<T, U>170 fn project_replace(
171 self: _pin_project::__private::Pin<&mut Self>,
172 __replacement: Self,
173 ) -> EnumProjOwn<T, U> {
174 unsafe {
175 let __self_ptr: *mut Self = self.get_unchecked_mut();
176 let __guard =
177 _pin_project::__private::UnsafeOverwriteGuard::new(__self_ptr, __replacement);
178 match &mut *__self_ptr {
179 Self::Struct {
180 pinned1,
181 pinned2,
182 unpinned1,
183 unpinned2,
184 } => {
185 let __result = EnumProjOwn::Struct {
186 pinned1: _pin_project::__private::PhantomData,
187 pinned2: _pin_project::__private::PhantomData,
188 unpinned1: _pin_project::__private::ptr::read(unpinned1),
189 unpinned2: _pin_project::__private::ptr::read(unpinned2),
190 };
191 {
192 let __guard =
193 _pin_project::__private::UnsafeDropInPlaceGuard::new(pinned2);
194 let __guard =
195 _pin_project::__private::UnsafeDropInPlaceGuard::new(pinned1);
196 }
197 __result
198 }
199 Self::Tuple(_0, _1, _2, _3) => {
200 let __result = EnumProjOwn::Tuple(
201 _pin_project::__private::PhantomData,
202 _pin_project::__private::PhantomData,
203 _pin_project::__private::ptr::read(_2),
204 _pin_project::__private::ptr::read(_3),
205 );
206 {
207 let __guard = _pin_project::__private::UnsafeDropInPlaceGuard::new(_1);
208 let __guard = _pin_project::__private::UnsafeDropInPlaceGuard::new(_0);
209 }
210 __result
211 }
212 Self::Unit => {
213 let __result = EnumProjOwn::Unit;
214 {}
215 __result
216 }
217 }
218 }
219 }
220 }
221 #[allow(missing_debug_implementations)]
222 struct __Enum<'pin, T, U> {
223 __pin_project_use_generics: _pin_project::__private::AlwaysUnpin<
224 'pin,
225 (
226 _pin_project::__private::PhantomData<T>,
227 _pin_project::__private::PhantomData<U>,
228 ),
229 >,
230 __field0: T,
231 __field1: T,
232 __field2: T,
233 __field3: T,
234 }
235 impl<'pin, T, U> _pin_project::__private::Unpin for Enum<T, U> where
236 __Enum<'pin, T, U>: _pin_project::__private::Unpin
237 {
238 }
239 #[doc(hidden)]
240 unsafe impl<'pin, T, U> _pin_project::UnsafeUnpin for Enum<T, U> where
241 __Enum<'pin, T, U>: _pin_project::__private::Unpin
242 {
243 }
244 trait EnumMustNotImplDrop {}
245 #[allow(clippy::drop_bounds, drop_bounds)]
246 impl<T: _pin_project::__private::Drop> EnumMustNotImplDrop for T {}
247 impl<T, U> EnumMustNotImplDrop for Enum<T, U> {}
248 #[doc(hidden)]
249 impl<T, U> _pin_project::__private::PinnedDrop for Enum<T, U> {
drop(self: _pin_project::__private::Pin<&mut Self>)250 unsafe fn drop(self: _pin_project::__private::Pin<&mut Self>) {}
251 }
252 };
main()253 fn main() {}
254