1 use pin_project::pin_project;
2 #[pin(__private(project = Proj, project_ref = ProjRef, project_replace = ProjOwn))]
3 struct TupleStruct<T, U>(#[pin] T, U);
4 #[allow(
5 dead_code,
6 deprecated,
7 explicit_outlives_requirements,
8 single_use_lifetimes,
9 unreachable_pub,
10 unused_tuple_struct_fields,
11 clippy::unknown_clippy_lints,
12 clippy::absolute_paths,
13 clippy::min_ident_chars,
14 clippy::pattern_type_mismatch,
15 clippy::pub_with_shorthand,
16 clippy::redundant_pub_crate,
17 clippy::single_char_lifetime_names,
18 clippy::type_repetition_in_bounds,
19 clippy::missing_docs_in_private_items,
20 clippy::mut_mut
21 )]
22 struct Proj<'pin, T, U>(
23 ::pin_project::__private::Pin<&'pin mut (T)>,
24 &'pin mut (U),
25 )
26 where
27 TupleStruct<T, U>: 'pin;
28 #[allow(
29 dead_code,
30 deprecated,
31 explicit_outlives_requirements,
32 single_use_lifetimes,
33 unreachable_pub,
34 unused_tuple_struct_fields,
35 clippy::unknown_clippy_lints,
36 clippy::absolute_paths,
37 clippy::min_ident_chars,
38 clippy::pattern_type_mismatch,
39 clippy::pub_with_shorthand,
40 clippy::redundant_pub_crate,
41 clippy::single_char_lifetime_names,
42 clippy::type_repetition_in_bounds,
43 clippy::missing_docs_in_private_items,
44 clippy::ref_option_ref
45 )]
46 struct ProjRef<'pin, T, U>(
47 ::pin_project::__private::Pin<&'pin (T)>,
48 &'pin (U),
49 )
50 where
51 TupleStruct<T, U>: 'pin;
52 #[allow(
53 dead_code,
54 deprecated,
55 explicit_outlives_requirements,
56 single_use_lifetimes,
57 unreachable_pub,
58 unused_tuple_struct_fields,
59 clippy::unknown_clippy_lints,
60 clippy::absolute_paths,
61 clippy::min_ident_chars,
62 clippy::pattern_type_mismatch,
63 clippy::pub_with_shorthand,
64 clippy::redundant_pub_crate,
65 clippy::single_char_lifetime_names,
66 clippy::type_repetition_in_bounds,
67 clippy::missing_docs_in_private_items
68 )]
69 struct ProjOwn<T, U>(::pin_project::__private::PhantomData<T>, U);
70 #[allow(
71 unused_qualifications,
72 deprecated,
73 explicit_outlives_requirements,
74 single_use_lifetimes,
75 unreachable_pub,
76 unused_tuple_struct_fields,
77 clippy::unknown_clippy_lints,
78 clippy::absolute_paths,
79 clippy::min_ident_chars,
80 clippy::pattern_type_mismatch,
81 clippy::pub_with_shorthand,
82 clippy::redundant_pub_crate,
83 clippy::single_char_lifetime_names,
84 clippy::type_repetition_in_bounds,
85 clippy::needless_lifetimes,
86 clippy::semicolon_if_nothing_returned,
87 clippy::use_self,
88 clippy::used_underscore_binding
89 )]
90 const _: () = {
91 #[allow(unused_extern_crates)]
92 extern crate pin_project as _pin_project;
93 impl<T, U> TupleStruct<T, U> {
94 #[allow(dead_code)]
95 #[inline]
project<'pin>( self: _pin_project::__private::Pin<&'pin mut Self>, ) -> Proj<'pin, T, U>96 fn project<'pin>(
97 self: _pin_project::__private::Pin<&'pin mut Self>,
98 ) -> Proj<'pin, T, U> {
99 unsafe {
100 let Self(_0, _1) = self.get_unchecked_mut();
101 Proj(_pin_project::__private::Pin::new_unchecked(_0), _1)
102 }
103 }
104 #[allow(dead_code)]
105 #[allow(clippy::missing_const_for_fn)]
106 #[inline]
project_ref<'pin>( self: _pin_project::__private::Pin<&'pin Self>, ) -> ProjRef<'pin, T, U>107 fn project_ref<'pin>(
108 self: _pin_project::__private::Pin<&'pin Self>,
109 ) -> ProjRef<'pin, T, U> {
110 unsafe {
111 let Self(_0, _1) = self.get_ref();
112 ProjRef(_pin_project::__private::Pin::new_unchecked(_0), _1)
113 }
114 }
115 #[allow(dead_code)]
116 #[inline]
project_replace( self: _pin_project::__private::Pin<&mut Self>, __replacement: Self, ) -> ProjOwn<T, U>117 fn project_replace(
118 self: _pin_project::__private::Pin<&mut Self>,
119 __replacement: Self,
120 ) -> ProjOwn<T, U> {
121 unsafe {
122 let __self_ptr: *mut Self = self.get_unchecked_mut();
123 let __guard = _pin_project::__private::UnsafeOverwriteGuard::new(
124 __self_ptr,
125 __replacement,
126 );
127 let Self(_0, _1) = &mut *__self_ptr;
128 let __result = ProjOwn(
129 _pin_project::__private::PhantomData,
130 _pin_project::__private::ptr::read(_1),
131 );
132 {
133 let __guard = _pin_project::__private::UnsafeDropInPlaceGuard::new(
134 _0,
135 );
136 }
137 __result
138 }
139 }
140 }
141 #[forbid(unaligned_references, safe_packed_borrows)]
__assert_not_repr_packed<T, U>(this: &TupleStruct<T, U>)142 fn __assert_not_repr_packed<T, U>(this: &TupleStruct<T, U>) {
143 let _ = &this.0;
144 let _ = &this.1;
145 }
146 #[allow(missing_debug_implementations, unnameable_types)]
147 struct __TupleStruct<'pin, T, U> {
148 __pin_project_use_generics: _pin_project::__private::AlwaysUnpin<
149 'pin,
150 (
151 _pin_project::__private::PhantomData<T>,
152 _pin_project::__private::PhantomData<U>,
153 ),
154 >,
155 __field0: T,
156 }
157 impl<'pin, T, U> _pin_project::__private::Unpin for TupleStruct<T, U>
158 where
159 _pin_project::__private::PinnedFieldsOf<
160 __TupleStruct<'pin, T, U>,
161 >: _pin_project::__private::Unpin,
162 {}
163 #[doc(hidden)]
164 unsafe impl<'pin, T, U> _pin_project::UnsafeUnpin for TupleStruct<T, U>
165 where
166 _pin_project::__private::PinnedFieldsOf<
167 __TupleStruct<'pin, T, U>,
168 >: _pin_project::__private::Unpin,
169 {}
170 trait TupleStructMustNotImplDrop {}
171 #[allow(clippy::drop_bounds, drop_bounds)]
172 impl<T: _pin_project::__private::Drop> TupleStructMustNotImplDrop for T {}
173 impl<T, U> TupleStructMustNotImplDrop for TupleStruct<T, U> {}
174 #[doc(hidden)]
175 impl<T, U> _pin_project::__private::PinnedDrop for TupleStruct<T, U> {
drop(self: _pin_project::__private::Pin<&mut Self>)176 unsafe fn drop(self: _pin_project::__private::Pin<&mut Self>) {}
177 }
178 };
main()179 fn main() {}
180