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