use auto_enums::enum_derive;
enum Enum<A, B> {
A(A),
B(B),
}
impl<A, B> ::futures::io::AsyncWrite for Enum<A, B>
where
A: ::futures::io::AsyncWrite,
B: ::futures::io::AsyncWrite,
{
#[inline]
fn poll_write(
self: ::core::pin::Pin<&mut Self>,
cx: &mut ::core::task::Context<'_>,
buf: &[u8],
) -> ::core::task::Poll<::std::io::Result<usize>> {
unsafe {
match self.get_unchecked_mut() {
Enum::A(x) => {
::futures::io::AsyncWrite::poll_write(
::core::pin::Pin::new_unchecked(x),
cx,
buf,
)
}
Enum::B(x) => {
::futures::io::AsyncWrite::poll_write(
::core::pin::Pin::new_unchecked(x),
cx,
buf,
)
}
}
}
}
#[inline]
fn poll_write_vectored(
self: ::core::pin::Pin<&mut Self>,
cx: &mut ::core::task::Context<'_>,
bufs: &[::std::io::IoSlice<'_>],
) -> ::core::task::Poll<::std::io::Result<usize>> {
unsafe {
match self.get_unchecked_mut() {
Enum::A(x) => {
::futures::io::AsyncWrite::poll_write_vectored(
::core::pin::Pin::new_unchecked(x),
cx,
bufs,
)
}
Enum::B(x) => {
::futures::io::AsyncWrite::poll_write_vectored(
::core::pin::Pin::new_unchecked(x),
cx,
bufs,
)
}
}
}
}
#[inline]
fn poll_flush(
self: ::core::pin::Pin<&mut Self>,
cx: &mut ::core::task::Context<'_>,
) -> ::core::task::Poll<::std::io::Result<()>> {
unsafe {
match self.get_unchecked_mut() {
Enum::A(x) => {
::futures::io::AsyncWrite::poll_flush(
::core::pin::Pin::new_unchecked(x),
cx,
)
}
Enum::B(x) => {
::futures::io::AsyncWrite::poll_flush(
::core::pin::Pin::new_unchecked(x),
cx,
)
}
}
}
}
#[inline]
fn poll_close(
self: ::core::pin::Pin<&mut Self>,
cx: &mut ::core::task::Context<'_>,
) -> ::core::task::Poll<::std::io::Result<()>> {
unsafe {
match self.get_unchecked_mut() {
Enum::A(x) => {
::futures::io::AsyncWrite::poll_close(
::core::pin::Pin::new_unchecked(x),
cx,
)
}
Enum::B(x) => {
::futures::io::AsyncWrite::poll_close(
::core::pin::Pin::new_unchecked(x),
cx,
)
}
}
}
}
}
impl<A, B> ::core::marker::Unpin for Enum<A, B>
where
A: ::core::marker::Unpin,
B: ::core::marker::Unpin,
{}
const _: () = {
trait MustNotImplDrop {}
#[allow(clippy::drop_bounds, drop_bounds)]
impl<T: ::core::ops::Drop> MustNotImplDrop for T {}
impl<A, B> MustNotImplDrop for Enum<A, B> {}
};
fn main() {}