1 use pin_project::pin_project;
2 #[pin(__private(project_ref = ProjRef))]
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::ref_option_ref)]
20 enum ProjRef<'pin, T, U>
21 where
22 Enum<T, U>: 'pin,
23 {
24 Struct { pinned: ::pin_project::__private::Pin<&'pin (T)>, unpinned: &'pin (U) },
25 Tuple(::pin_project::__private::Pin<&'pin (T)>, &'pin (U)),
26 Unit,
27 }
28 #[allow(box_pointers)]
29 #[allow(deprecated)]
30 #[allow(explicit_outlives_requirements)]
31 #[allow(single_use_lifetimes)]
32 #[allow(unreachable_pub)]
33 #[allow(unused_tuple_struct_fields)]
34 #[allow(clippy::unknown_clippy_lints)]
35 #[allow(clippy::pattern_type_mismatch)]
36 #[allow(clippy::redundant_pub_crate)]
37 #[allow(clippy::type_repetition_in_bounds)]
38 #[allow(unused_qualifications)]
39 #[allow(clippy::semicolon_if_nothing_returned)]
40 #[allow(clippy::use_self)]
41 #[allow(clippy::used_underscore_binding)]
42 const _: () = {
43 #[allow(unused_extern_crates)]
44 extern crate pin_project as _pin_project;
45 impl<T, U> Enum<T, U> {
46 #[allow(dead_code)]
47 #[allow(clippy::missing_const_for_fn)]
48 #[inline]
project_ref<'pin>( self: _pin_project::__private::Pin<&'pin Self>, ) -> ProjRef<'pin, T, U>49 fn project_ref<'pin>(
50 self: _pin_project::__private::Pin<&'pin Self>,
51 ) -> ProjRef<'pin, T, U> {
52 unsafe {
53 match self.get_ref() {
54 Self::Struct { pinned, unpinned } => {
55 ProjRef::Struct {
56 pinned: _pin_project::__private::Pin::new_unchecked(pinned),
57 unpinned,
58 }
59 }
60 Self::Tuple(_0, _1) => {
61 ProjRef::Tuple(
62 _pin_project::__private::Pin::new_unchecked(_0),
63 _1,
64 )
65 }
66 Self::Unit => ProjRef::Unit,
67 }
68 }
69 }
70 }
71 #[allow(missing_debug_implementations)]
72 struct __Enum<'pin, T, U> {
73 __pin_project_use_generics: _pin_project::__private::AlwaysUnpin<
74 'pin,
75 (
76 _pin_project::__private::PhantomData<T>,
77 _pin_project::__private::PhantomData<U>,
78 ),
79 >,
80 __field0: T,
81 __field1: T,
82 }
83 impl<'pin, T, U> _pin_project::__private::Unpin for Enum<T, U>
84 where
85 __Enum<'pin, T, U>: _pin_project::__private::Unpin,
86 {}
87 #[doc(hidden)]
88 unsafe impl<'pin, T, U> _pin_project::UnsafeUnpin for Enum<T, U>
89 where
90 __Enum<'pin, T, U>: _pin_project::__private::Unpin,
91 {}
92 trait EnumMustNotImplDrop {}
93 #[allow(clippy::drop_bounds, drop_bounds)]
94 impl<T: _pin_project::__private::Drop> EnumMustNotImplDrop for T {}
95 impl<T, U> EnumMustNotImplDrop for Enum<T, U> {}
96 #[doc(hidden)]
97 impl<T, U> _pin_project::__private::PinnedDrop for Enum<T, U> {
drop(self: _pin_project::__private::Pin<&mut Self>)98 unsafe fn drop(self: _pin_project::__private::Pin<&mut Self>) {}
99 }
100 };
main()101 fn main() {}
102