Files

188 lines
5.7 KiB
Rust

use std::pin::Pin;
use pin_project::{pin_project, pinned_drop};
#[pin(__private(PinnedDrop, project = EnumProj, project_ref = EnumProjRef))]
enum Enum<T, U> {
Struct { #[pin] pinned: T, unpinned: U },
Tuple(#[pin] T, U),
Unit,
}
#[allow(
dead_code,
deprecated,
explicit_outlives_requirements,
single_use_lifetimes,
unreachable_pub,
unused_tuple_struct_fields,
clippy::unknown_clippy_lints,
clippy::absolute_paths,
clippy::min_ident_chars,
clippy::pattern_type_mismatch,
clippy::pub_with_shorthand,
clippy::redundant_pub_crate,
clippy::single_char_lifetime_names,
clippy::type_repetition_in_bounds,
clippy::missing_docs_in_private_items,
clippy::mut_mut
)]
enum EnumProj<'pin, T, U>
where
Enum<T, U>: 'pin,
{
Struct {
pinned: ::pin_project::__private::Pin<&'pin mut (T)>,
unpinned: &'pin mut (U),
},
Tuple(::pin_project::__private::Pin<&'pin mut (T)>, &'pin mut (U)),
Unit,
}
#[allow(
dead_code,
deprecated,
explicit_outlives_requirements,
single_use_lifetimes,
unreachable_pub,
unused_tuple_struct_fields,
clippy::unknown_clippy_lints,
clippy::absolute_paths,
clippy::min_ident_chars,
clippy::pattern_type_mismatch,
clippy::pub_with_shorthand,
clippy::redundant_pub_crate,
clippy::single_char_lifetime_names,
clippy::type_repetition_in_bounds,
clippy::missing_docs_in_private_items,
clippy::ref_option_ref
)]
enum EnumProjRef<'pin, T, U>
where
Enum<T, U>: 'pin,
{
Struct { pinned: ::pin_project::__private::Pin<&'pin (T)>, unpinned: &'pin (U) },
Tuple(::pin_project::__private::Pin<&'pin (T)>, &'pin (U)),
Unit,
}
#[allow(
unused_qualifications,
deprecated,
explicit_outlives_requirements,
single_use_lifetimes,
unreachable_pub,
unused_tuple_struct_fields,
clippy::unknown_clippy_lints,
clippy::absolute_paths,
clippy::min_ident_chars,
clippy::pattern_type_mismatch,
clippy::pub_with_shorthand,
clippy::redundant_pub_crate,
clippy::single_char_lifetime_names,
clippy::type_repetition_in_bounds,
clippy::elidable_lifetime_names,
clippy::missing_const_for_fn,
clippy::needless_lifetimes,
clippy::semicolon_if_nothing_returned,
clippy::use_self,
clippy::used_underscore_binding
)]
const _: () = {
#[allow(unused_extern_crates)]
extern crate pin_project as _pin_project;
impl<T, U> Enum<T, U> {
#[allow(dead_code)]
#[inline]
fn project<'pin>(
self: _pin_project::__private::Pin<&'pin mut Self>,
) -> EnumProj<'pin, T, U> {
unsafe {
match self.get_unchecked_mut() {
Self::Struct { pinned, unpinned } => {
EnumProj::Struct {
pinned: _pin_project::__private::Pin::new_unchecked(pinned),
unpinned,
}
}
Self::Tuple(_0, _1) => {
EnumProj::Tuple(
_pin_project::__private::Pin::new_unchecked(_0),
_1,
)
}
Self::Unit => EnumProj::Unit,
}
}
}
#[allow(dead_code)]
#[inline]
fn project_ref<'pin>(
self: _pin_project::__private::Pin<&'pin Self>,
) -> EnumProjRef<'pin, T, U> {
unsafe {
match self.get_ref() {
Self::Struct { pinned, unpinned } => {
EnumProjRef::Struct {
pinned: _pin_project::__private::Pin::new_unchecked(pinned),
unpinned,
}
}
Self::Tuple(_0, _1) => {
EnumProjRef::Tuple(
_pin_project::__private::Pin::new_unchecked(_0),
_1,
)
}
Self::Unit => EnumProjRef::Unit,
}
}
}
}
#[allow(missing_debug_implementations, unnameable_types)]
struct __Enum<'pin, T, U> {
__pin_project_use_generics: _pin_project::__private::AlwaysUnpin<
'pin,
(
_pin_project::__private::PhantomData<T>,
_pin_project::__private::PhantomData<U>,
),
>,
__field0: T,
__field1: T,
}
impl<'pin, T, U> _pin_project::__private::Unpin for Enum<T, U>
where
_pin_project::__private::PinnedFieldsOf<
__Enum<'pin, T, U>,
>: _pin_project::__private::Unpin,
{}
#[doc(hidden)]
unsafe impl<'pin, T, U> _pin_project::UnsafeUnpin for Enum<T, U>
where
_pin_project::__private::PinnedFieldsOf<
__Enum<'pin, T, U>,
>: _pin_project::__private::Unpin,
{}
impl<T, U> _pin_project::__private::Drop for Enum<T, U> {
#[allow(clippy::missing_inline_in_public_items)]
fn drop(&mut self) {
unsafe {
let __pinned_self = _pin_project::__private::Pin::new_unchecked(self);
_pin_project::__private::PinnedDrop::drop(__pinned_self);
}
}
}
};
#[doc(hidden)]
impl<T, U> ::pin_project::__private::PinnedDrop for Enum<T, U> {
unsafe fn drop(self: Pin<&mut Self>) {
#[allow(
clippy::missing_const_for_fn,
clippy::needless_pass_by_value,
clippy::single_call_fn
)]
fn __drop_inner<T, U>(__self: Pin<&mut Enum<T, U>>) {
fn __drop_inner() {}
let _ = __self;
}
__drop_inner(self);
}
}
fn main() {}