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)]
project_ref<'pin>( self: _pin_project::__private::Pin<&'pin Self>, ) -> ProjRef<'pin, T, U>48 fn project_ref<'pin>(
49 self: _pin_project::__private::Pin<&'pin Self>,
50 ) -> ProjRef<'pin, T, U> {
51 unsafe {
52 match self.get_ref() {
53 Self::Struct { pinned, unpinned } => {
54 ProjRef::Struct {
55 pinned: _pin_project::__private::Pin::new_unchecked(pinned),
56 unpinned,
57 }
58 }
59 Self::Tuple(_0, _1) => {
60 ProjRef::Tuple(
61 _pin_project::__private::Pin::new_unchecked(_0),
62 _1,
63 )
64 }
65 Self::Unit => ProjRef::Unit,
66 }
67 }
68 }
69 }
70 #[allow(missing_debug_implementations)]
71 struct __Enum<'pin, T, U> {
72 __pin_project_use_generics: _pin_project::__private::AlwaysUnpin<
73 'pin,
74 (
75 _pin_project::__private::PhantomData<T>,
76 _pin_project::__private::PhantomData<U>,
77 ),
78 >,
79 __field0: T,
80 __field1: T,
81 }
82 impl<'pin, T, U> _pin_project::__private::Unpin for Enum<T, U>
83 where
84 __Enum<'pin, T, U>: _pin_project::__private::Unpin,
85 {}
86 #[doc(hidden)]
87 unsafe impl<'pin, T, U> _pin_project::UnsafeUnpin for Enum<T, U>
88 where
89 __Enum<'pin, T, U>: _pin_project::__private::Unpin,
90 {}
91 trait EnumMustNotImplDrop {}
92 #[allow(clippy::drop_bounds, drop_bounds)]
93 impl<T: _pin_project::__private::Drop> EnumMustNotImplDrop for T {}
94 impl<T, U> EnumMustNotImplDrop for Enum<T, U> {}
95 #[doc(hidden)]
96 impl<T, U> _pin_project::__private::PinnedDrop for Enum<T, U> {
drop(self: _pin_project::__private::Pin<&mut Self>)97 unsafe fn drop(self: _pin_project::__private::Pin<&mut Self>) {}
98 }
99 };
main()100 fn main() {}
101