Haibo Huang | c131107 | 2021-02-09 17:42:22 -0800 | [diff] [blame] | 1 | use pin_project::pin_project; |
| 2 | #[pin(__private())] |
| 3 | pub struct Struct<T, U> { |
| 4 | #[pin] |
| 5 | pub pinned: T, |
| 6 | pub 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(clippy::unknown_clippy_lints)] |
| 14 | #[allow(clippy::pattern_type_mismatch)] |
| 15 | #[allow(clippy::redundant_pub_crate)] |
Joel Galenson | c1569cc | 2021-08-09 10:36:36 -0700 | [diff] [blame] | 16 | #[allow(clippy::type_repetition_in_bounds)] |
Elliott Hughes | a2c3c56 | 2021-04-01 16:34:15 -0700 | [diff] [blame] | 17 | #[allow(clippy::semicolon_if_nothing_returned)] |
Joel Galenson | c1569cc | 2021-08-09 10:36:36 -0700 | [diff] [blame] | 18 | #[allow(clippy::use_self)] |
Haibo Huang | c131107 | 2021-02-09 17:42:22 -0800 | [diff] [blame] | 19 | #[allow(clippy::used_underscore_binding)] |
| 20 | const _: () = { |
Haibo Huang | c131107 | 2021-02-09 17:42:22 -0800 | [diff] [blame] | 21 | #[allow(dead_code)] |
| 22 | #[allow(clippy::mut_mut)] |
Haibo Huang | c131107 | 2021-02-09 17:42:22 -0800 | [diff] [blame] | 23 | pub(crate) struct __StructProjection<'pin, T, U> |
| 24 | where |
| 25 | Struct<T, U>: 'pin, |
| 26 | { |
| 27 | pub pinned: ::pin_project::__private::Pin<&'pin mut (T)>, |
| 28 | pub unpinned: &'pin mut (U), |
| 29 | } |
Haibo Huang | c131107 | 2021-02-09 17:42:22 -0800 | [diff] [blame] | 30 | #[allow(dead_code)] |
| 31 | #[allow(clippy::ref_option_ref)] |
Haibo Huang | c131107 | 2021-02-09 17:42:22 -0800 | [diff] [blame] | 32 | pub(crate) struct __StructProjectionRef<'pin, T, U> |
| 33 | where |
| 34 | Struct<T, U>: 'pin, |
| 35 | { |
| 36 | pub pinned: ::pin_project::__private::Pin<&'pin (T)>, |
| 37 | pub unpinned: &'pin (U), |
| 38 | } |
| 39 | impl<T, U> Struct<T, U> { |
| 40 | pub(crate) fn project<'pin>( |
| 41 | self: ::pin_project::__private::Pin<&'pin mut Self>, |
| 42 | ) -> __StructProjection<'pin, T, U> { |
| 43 | unsafe { |
| 44 | let Self { pinned, unpinned } = self.get_unchecked_mut(); |
| 45 | __StructProjection { |
| 46 | pinned: ::pin_project::__private::Pin::new_unchecked(pinned), |
| 47 | unpinned, |
| 48 | } |
| 49 | } |
| 50 | } |
| 51 | #[allow(clippy::missing_const_for_fn)] |
| 52 | pub(crate) fn project_ref<'pin>( |
| 53 | self: ::pin_project::__private::Pin<&'pin Self>, |
| 54 | ) -> __StructProjectionRef<'pin, T, U> { |
| 55 | unsafe { |
| 56 | let Self { pinned, unpinned } = self.get_ref(); |
| 57 | __StructProjectionRef { |
| 58 | pinned: ::pin_project::__private::Pin::new_unchecked(pinned), |
| 59 | unpinned, |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | } |
Joel Galenson | c95dc51 | 2021-05-19 16:12:52 -0700 | [diff] [blame] | 64 | #[forbid(unaligned_references, safe_packed_borrows)] |
Haibo Huang | c131107 | 2021-02-09 17:42:22 -0800 | [diff] [blame] | 65 | fn __assert_not_repr_packed<T, U>(this: &Struct<T, U>) { |
| 66 | let _ = &this.pinned; |
| 67 | let _ = &this.unpinned; |
| 68 | } |
| 69 | #[allow(missing_debug_implementations)] |
| 70 | pub struct __Struct<'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 | } |
| 80 | impl<'pin, T, U> ::pin_project::__private::Unpin for Struct<T, U> where |
| 81 | __Struct<'pin, T, U>: ::pin_project::__private::Unpin |
| 82 | { |
| 83 | } |
| 84 | #[doc(hidden)] |
| 85 | unsafe impl<'pin, T, U> ::pin_project::UnsafeUnpin for Struct<T, U> where |
| 86 | __Struct<'pin, T, U>: ::pin_project::__private::Unpin |
| 87 | { |
| 88 | } |
| 89 | trait StructMustNotImplDrop {} |
| 90 | #[allow(clippy::drop_bounds, drop_bounds)] |
| 91 | impl<T: ::pin_project::__private::Drop> StructMustNotImplDrop for T {} |
| 92 | impl<T, U> StructMustNotImplDrop for Struct<T, U> {} |
| 93 | #[doc(hidden)] |
| 94 | impl<T, U> ::pin_project::__private::PinnedDrop for Struct<T, U> { |
| 95 | unsafe fn drop(self: ::pin_project::__private::Pin<&mut Self>) {} |
| 96 | } |
| 97 | }; |
| 98 | fn main() {} |