1 use pin_project::pin_project;
2 #[pin(__private(project = Proj))]
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(clippy::mut_mut)]
20 enum Proj<'pin, T, U>
21 where
22 Enum<T, U>: 'pin,
23 {
24 Struct {
25 pinned: ::pin_project::__private::Pin<&'pin mut (T)>,
26 unpinned: &'pin mut (U),
27 },
28 Tuple(::pin_project::__private::Pin<&'pin mut (T)>, &'pin mut (U)),
29 Unit,
30 }
31 #[allow(box_pointers)]
32 #[allow(deprecated)]
33 #[allow(explicit_outlives_requirements)]
34 #[allow(single_use_lifetimes)]
35 #[allow(unreachable_pub)]
36 #[allow(unused_tuple_struct_fields)]
37 #[allow(clippy::unknown_clippy_lints)]
38 #[allow(clippy::pattern_type_mismatch)]
39 #[allow(clippy::redundant_pub_crate)]
40 #[allow(clippy::type_repetition_in_bounds)]
41 #[allow(unused_qualifications)]
42 #[allow(clippy::semicolon_if_nothing_returned)]
43 #[allow(clippy::use_self)]
44 #[allow(clippy::used_underscore_binding)]
45 const _: () = {
46 #[allow(unused_extern_crates)]
47 extern crate pin_project as _pin_project;
48 impl<T, U> Enum<T, U> {
49 #[allow(dead_code)]
project<'pin>( self: _pin_project::__private::Pin<&'pin mut Self>, ) -> Proj<'pin, T, U>50 fn project<'pin>(
51 self: _pin_project::__private::Pin<&'pin mut Self>,
52 ) -> Proj<'pin, T, U> {
53 unsafe {
54 match self.get_unchecked_mut() {
55 Self::Struct { pinned, unpinned } => {
56 Proj::Struct {
57 pinned: _pin_project::__private::Pin::new_unchecked(pinned),
58 unpinned,
59 }
60 }
61 Self::Tuple(_0, _1) => {
62 Proj::Tuple(_pin_project::__private::Pin::new_unchecked(_0), _1)
63 }
64 Self::Unit => Proj::Unit,
65 }
66 }
67 }
68 }
69 #[allow(missing_debug_implementations)]
70 struct __Enum<'pin, T, U> {
71 __pin_project_use_generics: _pin_project::__private::AlwaysUnpin<
72 'pin,
73 (
74 _pin_project::__private::PhantomData<T>,
75 _pin_project::__private::PhantomData<U>,
76 ),
77 >,
78 __field0: T,
79 __field1: T,
80 }
81 impl<'pin, T, U> _pin_project::__private::Unpin for Enum<T, U>
82 where
83 __Enum<'pin, T, U>: _pin_project::__private::Unpin,
84 {}
85 #[doc(hidden)]
86 unsafe impl<'pin, T, U> _pin_project::UnsafeUnpin for Enum<T, U>
87 where
88 __Enum<'pin, T, U>: _pin_project::__private::Unpin,
89 {}
90 trait EnumMustNotImplDrop {}
91 #[allow(clippy::drop_bounds, drop_bounds)]
92 impl<T: _pin_project::__private::Drop> EnumMustNotImplDrop for T {}
93 impl<T, U> EnumMustNotImplDrop for Enum<T, U> {}
94 #[doc(hidden)]
95 impl<T, U> _pin_project::__private::PinnedDrop for Enum<T, U> {
drop(self: _pin_project::__private::Pin<&mut Self>)96 unsafe fn drop(self: _pin_project::__private::Pin<&mut Self>) {}
97 }
98 };
main()99 fn main() {}
100