1 use pin_project::pin_project;
2 #[pin(__private(project_replace))]
3 struct Struct<T, U> {
4 #[pin]
5 pinned1: T,
6 #[pin]
7 pinned2: T,
8 unpinned1: U,
9 unpinned2: U,
10 }
11 #[allow(box_pointers)]
12 #[allow(deprecated)]
13 #[allow(explicit_outlives_requirements)]
14 #[allow(single_use_lifetimes)]
15 #[allow(unreachable_pub)]
16 #[allow(clippy::unknown_clippy_lints)]
17 #[allow(clippy::pattern_type_mismatch)]
18 #[allow(clippy::redundant_pub_crate)]
19 #[allow(clippy::semicolon_if_nothing_returned)]
20 #[allow(clippy::used_underscore_binding)]
21 const _: () = {
22 #[allow(box_pointers)]
23 #[allow(deprecated)]
24 #[allow(explicit_outlives_requirements)]
25 #[allow(single_use_lifetimes)]
26 #[allow(unreachable_pub)]
27 #[allow(clippy::unknown_clippy_lints)]
28 #[allow(clippy::pattern_type_mismatch)]
29 #[allow(clippy::redundant_pub_crate)]
30 #[allow(dead_code)]
31 #[allow(clippy::mut_mut)]
32 #[allow(clippy::type_repetition_in_bounds)]
33 struct __StructProjection<'pin, T, U>
34 where
35 Struct<T, U>: 'pin,
36 {
37 pinned1: ::pin_project::__private::Pin<&'pin mut (T)>,
38 pinned2: ::pin_project::__private::Pin<&'pin mut (T)>,
39 unpinned1: &'pin mut (U),
40 unpinned2: &'pin mut (U),
41 }
42 #[allow(box_pointers)]
43 #[allow(deprecated)]
44 #[allow(explicit_outlives_requirements)]
45 #[allow(single_use_lifetimes)]
46 #[allow(unreachable_pub)]
47 #[allow(clippy::unknown_clippy_lints)]
48 #[allow(clippy::pattern_type_mismatch)]
49 #[allow(clippy::redundant_pub_crate)]
50 #[allow(dead_code)]
51 #[allow(clippy::ref_option_ref)]
52 #[allow(clippy::type_repetition_in_bounds)]
53 struct __StructProjectionRef<'pin, T, U>
54 where
55 Struct<T, U>: 'pin,
56 {
57 pinned1: ::pin_project::__private::Pin<&'pin (T)>,
58 pinned2: ::pin_project::__private::Pin<&'pin (T)>,
59 unpinned1: &'pin (U),
60 unpinned2: &'pin (U),
61 }
62 #[allow(box_pointers)]
63 #[allow(deprecated)]
64 #[allow(explicit_outlives_requirements)]
65 #[allow(single_use_lifetimes)]
66 #[allow(unreachable_pub)]
67 #[allow(clippy::unknown_clippy_lints)]
68 #[allow(clippy::pattern_type_mismatch)]
69 #[allow(clippy::redundant_pub_crate)]
70 #[allow(dead_code)]
71 struct __StructProjectionOwned<T, U> {
72 pinned1: ::pin_project::__private::PhantomData<T>,
73 pinned2: ::pin_project::__private::PhantomData<T>,
74 unpinned1: U,
75 unpinned2: U,
76 }
77 impl<T, U> Struct<T, U> {
project<'pin>( self: ::pin_project::__private::Pin<&'pin mut Self>, ) -> __StructProjection<'pin, T, U>78 fn project<'pin>(
79 self: ::pin_project::__private::Pin<&'pin mut Self>,
80 ) -> __StructProjection<'pin, T, U> {
81 unsafe {
82 let Self {
83 pinned1,
84 pinned2,
85 unpinned1,
86 unpinned2,
87 } = self.get_unchecked_mut();
88 __StructProjection {
89 pinned1: ::pin_project::__private::Pin::new_unchecked(pinned1),
90 pinned2: ::pin_project::__private::Pin::new_unchecked(pinned2),
91 unpinned1,
92 unpinned2,
93 }
94 }
95 }
96 #[allow(clippy::missing_const_for_fn)]
project_ref<'pin>( self: ::pin_project::__private::Pin<&'pin Self>, ) -> __StructProjectionRef<'pin, T, U>97 fn project_ref<'pin>(
98 self: ::pin_project::__private::Pin<&'pin Self>,
99 ) -> __StructProjectionRef<'pin, T, U> {
100 unsafe {
101 let Self {
102 pinned1,
103 pinned2,
104 unpinned1,
105 unpinned2,
106 } = self.get_ref();
107 __StructProjectionRef {
108 pinned1: ::pin_project::__private::Pin::new_unchecked(pinned1),
109 pinned2: ::pin_project::__private::Pin::new_unchecked(pinned2),
110 unpinned1,
111 unpinned2,
112 }
113 }
114 }
project_replace( self: ::pin_project::__private::Pin<&mut Self>, __replacement: Self, ) -> __StructProjectionOwned<T, U>115 fn project_replace(
116 self: ::pin_project::__private::Pin<&mut Self>,
117 __replacement: Self,
118 ) -> __StructProjectionOwned<T, U> {
119 unsafe {
120 let __self_ptr: *mut Self = self.get_unchecked_mut();
121 let __guard = ::pin_project::__private::UnsafeOverwriteGuard {
122 target: __self_ptr,
123 value: ::pin_project::__private::ManuallyDrop::new(__replacement),
124 };
125 let Self {
126 pinned1,
127 pinned2,
128 unpinned1,
129 unpinned2,
130 } = &mut *__self_ptr;
131 let __result = __StructProjectionOwned {
132 pinned1: ::pin_project::__private::PhantomData,
133 pinned2: ::pin_project::__private::PhantomData,
134 unpinned1: ::pin_project::__private::ptr::read(unpinned1),
135 unpinned2: ::pin_project::__private::ptr::read(unpinned2),
136 };
137 {
138 let __guard = ::pin_project::__private::UnsafeDropInPlaceGuard(pinned2);
139 let __guard = ::pin_project::__private::UnsafeDropInPlaceGuard(pinned1);
140 }
141 __result
142 }
143 }
144 }
145 #[forbid(safe_packed_borrows)]
__assert_not_repr_packed<T, U>(this: &Struct<T, U>)146 fn __assert_not_repr_packed<T, U>(this: &Struct<T, U>) {
147 let _ = &this.pinned1;
148 let _ = &this.pinned2;
149 let _ = &this.unpinned1;
150 let _ = &this.unpinned2;
151 }
152 #[allow(missing_debug_implementations)]
153 struct __Struct<'pin, T, U> {
154 __pin_project_use_generics: ::pin_project::__private::AlwaysUnpin<
155 'pin,
156 (
157 ::pin_project::__private::PhantomData<T>,
158 ::pin_project::__private::PhantomData<U>,
159 ),
160 >,
161 __field0: T,
162 __field1: T,
163 }
164 impl<'pin, T, U> ::pin_project::__private::Unpin for Struct<T, U> where
165 __Struct<'pin, T, U>: ::pin_project::__private::Unpin
166 {
167 }
168 #[doc(hidden)]
169 unsafe impl<'pin, T, U> ::pin_project::UnsafeUnpin for Struct<T, U> where
170 __Struct<'pin, T, U>: ::pin_project::__private::Unpin
171 {
172 }
173 trait StructMustNotImplDrop {}
174 #[allow(clippy::drop_bounds, drop_bounds)]
175 impl<T: ::pin_project::__private::Drop> StructMustNotImplDrop for T {}
176 impl<T, U> StructMustNotImplDrop for Struct<T, U> {}
177 #[doc(hidden)]
178 impl<T, U> ::pin_project::__private::PinnedDrop for Struct<T, U> {
drop(self: ::pin_project::__private::Pin<&mut Self>)179 unsafe fn drop(self: ::pin_project::__private::Pin<&mut Self>) {}
180 }
181 };
main()182 fn main() {}
183