tools/fidl/fidlgen_rust/goldens/nullable.rs.golden - fuchsia - Git at Google

 // WARNING: This file is machine generated by fidlgen.

 #![allow(
     unused_parens, // one-element-tuple-case is not a tuple
     unused_mut, // not all args require mutation, but many do
     nonstandard_style, // auto-caps does its best, but is not always successful
 )]
 #![recursion_limit = "512"]

 #[cfg(target_os = "fuchsia")]
 #[allow(unused_imports)]
 use fuchsia_zircon as zx;

 #[allow(unused_imports)]
 use {
     bitflags::bitflags,
     fidl::{
         client::{decode_transaction_body_fut, QueryResponseFut},
         encoding::{Decodable as _, Encodable as _},
         endpoints::{ControlHandle as _, Responder as _},
         fidl_bits, fidl_empty_struct, fidl_enum, fidl_struct, fidl_struct_copy, fidl_table,
         fidl_union, wrap_handle_metadata,
     },
     fuchsia_zircon_status as zx_status,
     futures::future::{self, MaybeDone, TryFutureExt},
 };

 const _FIDL_TRACE_BINDINGS_RUST: u32 = 6;

 #[derive(Debug, Copy, Clone, PartialEq, PartialOrd)]
 pub enum SimpleUnion {
     A(i32),
     B(f32),
 }

 impl SimpleUnion {
     #[deprecated = "Strict unions should not use `validate`"]
     #[inline]
     pub fn validate(self) -> std::result::Result<Self, (u64, Vec<u8>)> {
         Ok(self)
     }

     #[deprecated = "Strict unions should not use `is_unknown`"]
     #[inline]
     pub fn is_unknown(&self) -> bool {
         false
     }
 }

 impl fidl::encoding::Persistable for SimpleUnion {}

 fidl_union! {
     name: SimpleUnion,
     members: [
         A {
             ty: i32,
             ordinal: 1,
         },
         B {
             ty: f32,
             ordinal: 2,
         },
     ],
 }

 #[derive(
     Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, zerocopy::AsBytes, zerocopy::FromBytes,
 )]
 #[repr(C)]
 pub struct Int32Wrapper {
     pub val: i32,
 }

 impl fidl::encoding::Persistable for Int32Wrapper {}

 fidl_struct_copy! {
     name: Int32Wrapper,
     members: [
         val {
             ty: i32,
             offset_v1: 0,
             offset_v2: 0,
         },
     ],
     padding_v1: [],
     padding_v2: [],
     size_v1: 4,
     size_v2: 4,
     align_v1: 4,
     align_v2: 4,
 }

 #[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
 pub struct StructWithNullableHandle {
     pub val: Option<fidl::Vmo>,
 }

 fidl_struct! {
     name: StructWithNullableHandle,
     members: [
         val {
             ty: Option<fidl::Vmo>,
             offset_v1: 0,
             offset_v2: 0,
             handle_metadata: {
                 handle_subtype: fidl::ObjectType::VMO,
                 handle_rights: fidl::Rights::from_bits_const(2147483648).unwrap(),
             },
         },
     ],
     padding_v1: [],
     padding_v2: [],
     size_v1: 4,
     size_v2: 4,
     align_v1: 4,
     align_v2: 4,
 }

 #[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
 pub struct StructWithNullableProtocol {
     pub val: Option<fidl::endpoints::ClientEnd<SimpleProtocolMarker>>,
 }

 fidl_struct! {
     name: StructWithNullableProtocol,
     members: [
         val {
             ty: Option<fidl::endpoints::ClientEnd<SimpleProtocolMarker>>,
             offset_v1: 0,
             offset_v2: 0,
             handle_metadata: {
                 handle_subtype: fidl::ObjectType::CHANNEL,
                 handle_rights: fidl::Rights::CHANNEL_DEFAULT,
             },
         },
     ],
     padding_v1: [],
     padding_v2: [],
     size_v1: 4,
     size_v2: 4,
     align_v1: 4,
     align_v2: 4,
 }

 #[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
 pub struct StructWithNullableRequest {
     pub val: Option<fidl::endpoints::ServerEnd<SimpleProtocolMarker>>,
 }

 fidl_struct! {
     name: StructWithNullableRequest,
     members: [
         val {
             ty: Option<fidl::endpoints::ServerEnd<SimpleProtocolMarker>>,
             offset_v1: 0,
             offset_v2: 0,
             handle_metadata: {
                 handle_subtype: fidl::ObjectType::CHANNEL,
                 handle_rights: fidl::Rights::CHANNEL_DEFAULT,
             },
         },
     ],
     padding_v1: [],
     padding_v2: [],
     size_v1: 4,
     size_v2: 4,
     align_v1: 4,
     align_v2: 4,
 }

 #[derive(Debug, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
 pub struct StructWithNullableString {
     pub val: Option<String>,
 }

 impl fidl::encoding::Persistable for StructWithNullableString {}

 fidl_struct! {
     name: StructWithNullableString,
     members: [
         val {
             ty: Option<String>,
             offset_v1: 0,
             offset_v2: 0,
         },
     ],
     padding_v1: [],
     padding_v2: [],
     size_v1: 16,
     size_v2: 16,
     align_v1: 8,
     align_v2: 8,
 }

 #[derive(Debug, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
 pub struct StructWithNullableStruct {
     pub val: Option<Box<Int32Wrapper>>,
 }

 impl fidl::encoding::Persistable for StructWithNullableStruct {}

 fidl_struct! {
     name: StructWithNullableStruct,
     members: [
         val {
             ty: Option<Box<Int32Wrapper>>,
             offset_v1: 0,
             offset_v2: 0,
         },
     ],
     padding_v1: [],
     padding_v2: [],
     size_v1: 8,
     size_v2: 8,
     align_v1: 8,
     align_v2: 8,
 }

 #[derive(Debug, Clone, PartialEq, PartialOrd)]
 pub struct StructWithNullableUnion {
     pub val: Option<Box<SimpleUnion>>,
 }

 impl fidl::encoding::Persistable for StructWithNullableUnion {}

 fidl_struct! {
     name: StructWithNullableUnion,
     members: [
         val {
             ty: Option<Box<SimpleUnion>>,
             offset_v1: 0,
             offset_v2: 0,
         },
     ],
     padding_v1: [],
     padding_v2: [],
     size_v1: 24,
     size_v2: 16,
     align_v1: 8,
     align_v2: 8,
 }

 #[derive(Debug, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
 pub struct StructWithNullableVector {
     pub val: Option<Vec<i32>>,
 }

 impl fidl::encoding::Persistable for StructWithNullableVector {}

 fidl_struct! {
     name: StructWithNullableVector,
     members: [
         val {
             ty: Option<Vec<i32>>,
             offset_v1: 0,
             offset_v2: 0,
         },
     ],
     padding_v1: [],
     padding_v2: [],
     size_v1: 16,
     size_v2: 16,
     align_v1: 8,
     align_v2: 8,
 }

 #[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
 pub struct SimpleProtocolMarker;

 impl fidl::endpoints::ProtocolMarker for SimpleProtocolMarker {
     type Proxy = SimpleProtocolProxy;
     type RequestStream = SimpleProtocolRequestStream;
     const DEBUG_NAME: &'static str = "(anonymous) SimpleProtocol";
 }

 pub trait SimpleProtocolProxyInterface: Send + Sync {
     type AddResponseFut: std::future::Future<Output = Result<(i32), fidl::Error>> + Send;
     fn r#add(&self, a: i32, b: i32) -> Self::AddResponseFut;
 }

 #[derive(Debug)]
 #[cfg(target_os = "fuchsia")]
 pub struct SimpleProtocolSynchronousProxy {
     client: fidl::client::sync::Client,
 }

 #[cfg(target_os = "fuchsia")]
 impl SimpleProtocolSynchronousProxy {
     pub fn new(channel: fidl::Channel) -> Self {
         let protocol_name = <SimpleProtocolMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
         Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
     }

     pub fn into_channel(self) -> fidl::Channel {
         self.client.into_channel()
     }

     /// Waits until an event arrives and returns it. It is safe for other
     /// threads to make concurrent requests while waiting for an event.
     pub fn wait_for_event(&self, deadline: zx::Time) -> Result<SimpleProtocolEvent, fidl::Error> {
         SimpleProtocolEvent::decode(self.client.wait_for_event(deadline)?)
     }
     pub fn r#add(
         &self,
         mut a: i32,
         mut b: i32,
         ___deadline: zx::Time,
     ) -> Result<(i32), fidl::Error> {
         let _value: (i32,) = self.client.send_query(
             &mut (a, b),
             0x7ee19cf19ae30276,
             fidl::encoding::DynamicFlags::empty(),
             ___deadline,
         )?;
         Ok(_value.0)
     }
 }

 #[derive(Debug, Clone)]
 pub struct SimpleProtocolProxy {
     client: fidl::client::Client,
 }

 impl fidl::endpoints::Proxy for SimpleProtocolProxy {
     type Protocol = SimpleProtocolMarker;

     fn from_channel(inner: fidl::AsyncChannel) -> Self {
         Self::new(inner)
     }

     fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
         self.client.into_channel().map_err(|client| Self { client })
     }

     fn as_channel(&self) -> &::fidl::AsyncChannel {
         self.client.as_channel()
     }
 }

 impl SimpleProtocolProxy {
     /// Create a new Proxy for SimpleProtocol
     pub fn new(channel: fidl::AsyncChannel) -> Self {
         let protocol_name = <SimpleProtocolMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
         Self { client: fidl::client::Client::new(channel, protocol_name) }
     }

     /// Get a Stream of events from the remote end of the SimpleProtocol protocol
     ///
     /// # Panics
     ///
     /// Panics if the event stream was already taken.
     pub fn take_event_stream(&self) -> SimpleProtocolEventStream {
         SimpleProtocolEventStream { event_receiver: self.client.take_event_receiver() }
     }
     pub fn r#add(&self, mut a: i32, mut b: i32) -> fidl::client::QueryResponseFut<(i32)> {
         SimpleProtocolProxyInterface::r#add(self, a, b)
     }
 }

 impl SimpleProtocolProxyInterface for SimpleProtocolProxy {
     type AddResponseFut = fidl::client::QueryResponseFut<(i32)>;
     fn r#add(&self, mut a: i32, mut b: i32) -> Self::AddResponseFut {
         fn transform(result: Result<(i32,), fidl::Error>) -> Result<(i32), fidl::Error> {
             result.map(|_value| _value.0)
         }
         let send_result = self.client.call_send_raw_query(
             &mut (a, b),
             0x7ee19cf19ae30276,
             fidl::encoding::DynamicFlags::empty(),
         );
         QueryResponseFut(match send_result {
             Ok(res_fut) => future::maybe_done(
                 res_fut.and_then(|buf| decode_transaction_body_fut(buf, transform)),
             ),
             Err(e) => MaybeDone::Done(Err(e)),
         })
     }
 }

 pub struct SimpleProtocolEventStream {
     event_receiver: fidl::client::EventReceiver,
 }

 impl std::marker::Unpin for SimpleProtocolEventStream {}

 impl futures::stream::FusedStream for SimpleProtocolEventStream {
     fn is_terminated(&self) -> bool {
         self.event_receiver.is_terminated()
     }
 }

 impl futures::Stream for SimpleProtocolEventStream {
     type Item = Result<SimpleProtocolEvent, fidl::Error>;

     fn poll_next(
         mut self: std::pin::Pin<&mut Self>,
         cx: &mut std::task::Context<'_>,
     ) -> std::task::Poll<Option<Self::Item>> {
         let buf = match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
             &mut self.event_receiver,
             cx
         )?) {
             Some(buf) => buf,
             None => return std::task::Poll::Ready(None),
         };

         std::task::Poll::Ready(Some(SimpleProtocolEvent::decode(buf)))
     }
 }

 #[derive(Debug)]
 pub enum SimpleProtocolEvent {}

 impl SimpleProtocolEvent {
     fn decode(mut buf: fidl::MessageBufEtc) -> Result<SimpleProtocolEvent, fidl::Error> {
         let (bytes, _handles) = buf.split_mut();
         let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

         match tx_header.ordinal() {
             _ => Err(fidl::Error::UnknownOrdinal {
                 ordinal: tx_header.ordinal(),
                 protocol_name:
                     <SimpleProtocolMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
             }),
         }
     }
 }

 /// A Stream of incoming requests for SimpleProtocol
 pub struct SimpleProtocolRequestStream {
     inner: std::sync::Arc<fidl::ServeInner>,
     is_terminated: bool,
 }

 impl std::marker::Unpin for SimpleProtocolRequestStream {}

 impl futures::stream::FusedStream for SimpleProtocolRequestStream {
     fn is_terminated(&self) -> bool {
         self.is_terminated
     }
 }

 impl fidl::endpoints::RequestStream for SimpleProtocolRequestStream {
     type Protocol = SimpleProtocolMarker;
     type ControlHandle = SimpleProtocolControlHandle;

     fn from_channel(channel: fidl::AsyncChannel) -> Self {
         Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
     }

     fn control_handle(&self) -> Self::ControlHandle {
         SimpleProtocolControlHandle { inner: self.inner.clone() }
     }

     fn into_inner(self) -> (::std::sync::Arc<fidl::ServeInner>, bool) {
         (self.inner, self.is_terminated)
     }

     fn from_inner(inner: std::sync::Arc<fidl::ServeInner>, is_terminated: bool) -> Self {
         Self { inner, is_terminated }
     }
 }

 impl futures::Stream for SimpleProtocolRequestStream {
     type Item = Result<SimpleProtocolRequest, fidl::Error>;

     fn poll_next(
         mut self: std::pin::Pin<&mut Self>,
         cx: &mut std::task::Context<'_>,
     ) -> std::task::Poll<Option<Self::Item>> {
         let this = &mut *self;
         if this.inner.poll_shutdown(cx) {
             this.is_terminated = true;
             return std::task::Poll::Ready(None);
         }
         if this.is_terminated {
             panic!("polled SimpleProtocolRequestStream after completion");
         }
         fidl::encoding::with_tls_decode_buf(|bytes, handles| {
             match this.inner.channel().read_etc(cx, bytes, handles) {
                 std::task::Poll::Ready(Ok(())) => {}
                 std::task::Poll::Pending => return std::task::Poll::Pending,
                 std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
                     this.is_terminated = true;
                     return std::task::Poll::Ready(None);
                 }
                 std::task::Poll::Ready(Err(e)) => {
                     return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(e))))
                 }
             }

             // A message has been received from the channel
             let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
             if !header.is_compatible() {
                 return std::task::Poll::Ready(Some(Err(fidl::Error::IncompatibleMagicNumber(
                     header.magic_number(),
                 ))));
             }

             std::task::Poll::Ready(Some(match header.ordinal() {
                 0x7ee19cf19ae30276 => {
                     let mut req: (i32, i32) = fidl::encoding::Decodable::new_empty();
                     fidl::duration_begin!("fidl", "decode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "name" => "test.nullable/SimpleProtocolAddRequest");
                     fidl::trace_blob!("fidl:blob", "decode", bytes);
                     fidl::encoding::Decoder::decode_into(&header, _body_bytes, handles, &mut req)?;
                     fidl::duration_end!("fidl", "decode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "size" => bytes.len() as u32, "handle_count" => handles.len() as u32);
                     let control_handle = SimpleProtocolControlHandle { inner: this.inner.clone() };

                     Ok(SimpleProtocolRequest::Add {
                         a: req.0,
                         b: req.1,
                         responder: SimpleProtocolAddResponder {
                             control_handle: std::mem::ManuallyDrop::new(control_handle),
                             tx_id: header.tx_id(),
                             ordinal: header.ordinal(),
                         },
                     })
                 }
                 _ => Err(fidl::Error::UnknownOrdinal {
                     ordinal: header.ordinal(),
                     protocol_name:
                         <SimpleProtocolMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                 }),
             }))
         })
     }
 }
 #[derive(Debug)]
 pub enum SimpleProtocolRequest {
     Add { a: i32, b: i32, responder: SimpleProtocolAddResponder },
 }

 impl SimpleProtocolRequest {
     #[allow(irrefutable_let_patterns)]
     pub fn into_add(self) -> Option<(i32, i32, SimpleProtocolAddResponder)> {
         if let SimpleProtocolRequest::Add { a, b, responder } = self {
             Some((a, b, responder))
         } else {
             None
         }
     }

     /// Name of the method defined in FIDL
     pub fn method_name(&self) -> &'static str {
         match *self {
             SimpleProtocolRequest::Add { .. } => "add",
         }
     }
 }

 #[derive(Debug, Clone)]
 pub struct SimpleProtocolControlHandle {
     inner: std::sync::Arc<fidl::ServeInner>,
 }

 impl fidl::endpoints::ControlHandle for SimpleProtocolControlHandle {
     fn shutdown(&self) {
         self.inner.shutdown()
     }

     fn shutdown_with_epitaph(&self, status: zx_status::Status) {
         self.inner.shutdown_with_epitaph(status)
     }
 }

 impl SimpleProtocolControlHandle {}
 #[must_use = "FIDL methods require a response to be sent"]
 #[derive(Debug)]
 pub struct SimpleProtocolAddResponder {
     control_handle: std::mem::ManuallyDrop<SimpleProtocolControlHandle>,
     tx_id: u32,
     ordinal: u64,
 }

 /// Set the the channel to be shutdown (see [`SimpleProtocolControlHandle::shutdown`])
 /// if the responder is dropped without sending a response, so that the client
 /// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
 impl std::ops::Drop for SimpleProtocolAddResponder {
     fn drop(&mut self) {
         self.control_handle.shutdown();
         // Safety: drops once, never accessed again
         unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
     }
 }

 impl fidl::endpoints::Responder for SimpleProtocolAddResponder {
     type ControlHandle = SimpleProtocolControlHandle;

     fn control_handle(&self) -> &SimpleProtocolControlHandle {
         &self.control_handle
     }

     fn drop_without_shutdown(mut self) {
         // Safety: drops once, never accessed again due to mem::forget
         unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
         // Prevent Drop from running (which would shut down the channel)
         std::mem::forget(self);
     }
 }

 impl SimpleProtocolAddResponder {
     /// Sends a response to the FIDL transaction.
     ///
     /// Sets the channel to shutdown if an error occurs.
     pub fn send(self, mut sum: i32) -> Result<(), fidl::Error> {
         let r = self.send_raw(sum);
         if r.is_err() {
             self.control_handle.shutdown();
         }
         self.drop_without_shutdown();
         r
     }

     /// Similar to "send" but does not shutdown the channel if
     /// an error occurs.
     pub fn send_no_shutdown_on_err(self, mut sum: i32) -> Result<(), fidl::Error> {
         let r = self.send_raw(sum);
         self.drop_without_shutdown();
         r
     }

     fn send_raw(&self, mut sum: i32) -> Result<(), fidl::Error> {
         let mut response = (sum);

         let mut msg = fidl::encoding::TransactionMessage {
             header: fidl::encoding::TransactionHeader::new(
                 self.tx_id,
                 self.ordinal,
                 fidl::encoding::DynamicFlags::empty(),
             ),
             body: &mut response,
         };

         fidl::encoding::with_tls_encode_buf(|bytes, handles| {
             fidl::duration_begin!("fidl", "encode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "name" => "test.nullable/SimpleProtocolAddResponse");
             fidl::encoding::Encoder::encode(bytes, handles, &mut msg)?;
             fidl::trace_blob!("fidl:blob", "encode", bytes.as_slice());
             fidl::duration_end!("fidl", "encode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "size" => bytes.len() as u32, "handle_count" => handles.len() as u32);

             self.control_handle
                 .inner
                 .channel()
                 .write_etc(&*bytes, &mut *handles)
                 .map_err(fidl::Error::ServerResponseWrite)?;
             Ok(())
         })
     }
 }
	// WARNING: This file is machine generated by fidlgen.

	#![allow(
	unused_parens, // one-element-tuple-case is not a tuple
	unused_mut, // not all args require mutation, but many do
	nonstandard_style, // auto-caps does its best, but is not always successful
	)]
	#![recursion_limit = "512"]

	#[cfg(target_os = "fuchsia")]
	#[allow(unused_imports)]
	use fuchsia_zircon as zx;

	#[allow(unused_imports)]
	use {
	bitflags::bitflags,
	fidl::{
	client::{decode_transaction_body_fut, QueryResponseFut},
	encoding::{Decodable as _, Encodable as _},
	endpoints::{ControlHandle as _, Responder as _},
	fidl_bits, fidl_empty_struct, fidl_enum, fidl_struct, fidl_struct_copy, fidl_table,
	fidl_union, wrap_handle_metadata,
	},
	fuchsia_zircon_status as zx_status,
	futures::future::{self, MaybeDone, TryFutureExt},
	};

	const _FIDL_TRACE_BINDINGS_RUST: u32 = 6;

	#[derive(Debug, Copy, Clone, PartialEq, PartialOrd)]
	pub enum SimpleUnion {
	A(i32),
	B(f32),
	}

	impl SimpleUnion {
	#[deprecated = "Strict unions should not use `validate`"]
	#[inline]
	pub fn validate(self) -> std::result::Result<Self, (u64, Vec<u8>)> {
	Ok(self)
	}

	#[deprecated = "Strict unions should not use `is_unknown`"]
	#[inline]
	pub fn is_unknown(&self) -> bool {
	false
	}
	}

	impl fidl::encoding::Persistable for SimpleUnion {}

	fidl_union! {
	name: SimpleUnion,
	members: [
	A {
	ty: i32,
	ordinal: 1,
	},
	B {
	ty: f32,
	ordinal: 2,
	},
	],
	}

	#[derive(
	Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, zerocopy::AsBytes, zerocopy::FromBytes,
	)]
	#[repr(C)]
	pub struct Int32Wrapper {
	pub val: i32,
	}

	impl fidl::encoding::Persistable for Int32Wrapper {}

	fidl_struct_copy! {
	name: Int32Wrapper,
	members: [
	val {
	ty: i32,
	offset_v1: 0,
	offset_v2: 0,
	},
	],
	padding_v1: [],
	padding_v2: [],
	size_v1: 4,
	size_v2: 4,
	align_v1: 4,
	align_v2: 4,
	}

	#[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
	pub struct StructWithNullableHandle {
	pub val: Option<fidl::Vmo>,
	}

	fidl_struct! {
	name: StructWithNullableHandle,
	members: [
	val {
	ty: Option<fidl::Vmo>,
	offset_v1: 0,
	offset_v2: 0,
	handle_metadata: {
	handle_subtype: fidl::ObjectType::VMO,
	handle_rights: fidl::Rights::from_bits_const(2147483648).unwrap(),
	},
	},
	],
	padding_v1: [],
	padding_v2: [],
	size_v1: 4,
	size_v2: 4,
	align_v1: 4,
	align_v2: 4,
	}

	#[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
	pub struct StructWithNullableProtocol {
	pub val: Option<fidl::endpoints::ClientEnd<SimpleProtocolMarker>>,
	}

	fidl_struct! {
	name: StructWithNullableProtocol,
	members: [
	val {
	ty: Option<fidl::endpoints::ClientEnd<SimpleProtocolMarker>>,
	offset_v1: 0,
	offset_v2: 0,
	handle_metadata: {
	handle_subtype: fidl::ObjectType::CHANNEL,
	handle_rights: fidl::Rights::CHANNEL_DEFAULT,
	},
	},
	],
	padding_v1: [],
	padding_v2: [],
	size_v1: 4,
	size_v2: 4,
	align_v1: 4,
	align_v2: 4,
	}

	#[derive(Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
	pub struct StructWithNullableRequest {
	pub val: Option<fidl::endpoints::ServerEnd<SimpleProtocolMarker>>,
	}

	fidl_struct! {
	name: StructWithNullableRequest,
	members: [
	val {
	ty: Option<fidl::endpoints::ServerEnd<SimpleProtocolMarker>>,
	offset_v1: 0,
	offset_v2: 0,
	handle_metadata: {
	handle_subtype: fidl::ObjectType::CHANNEL,
	handle_rights: fidl::Rights::CHANNEL_DEFAULT,
	},
	},
	],
	padding_v1: [],
	padding_v2: [],
	size_v1: 4,
	size_v2: 4,
	align_v1: 4,
	align_v2: 4,
	}

	#[derive(Debug, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
	pub struct StructWithNullableString {
	pub val: Option<String>,
	}

	impl fidl::encoding::Persistable for StructWithNullableString {}

	fidl_struct! {
	name: StructWithNullableString,
	members: [
	val {
	ty: Option<String>,
	offset_v1: 0,
	offset_v2: 0,
	},
	],
	padding_v1: [],
	padding_v2: [],
	size_v1: 16,
	size_v2: 16,
	align_v1: 8,
	align_v2: 8,
	}

	#[derive(Debug, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
	pub struct StructWithNullableStruct {
	pub val: Option<Box<Int32Wrapper>>,
	}

	impl fidl::encoding::Persistable for StructWithNullableStruct {}

	fidl_struct! {
	name: StructWithNullableStruct,
	members: [
	val {
	ty: Option<Box<Int32Wrapper>>,
	offset_v1: 0,
	offset_v2: 0,
	},
	],
	padding_v1: [],
	padding_v2: [],
	size_v1: 8,
	size_v2: 8,
	align_v1: 8,
	align_v2: 8,
	}

	#[derive(Debug, Clone, PartialEq, PartialOrd)]
	pub struct StructWithNullableUnion {
	pub val: Option<Box<SimpleUnion>>,
	}

	impl fidl::encoding::Persistable for StructWithNullableUnion {}

	fidl_struct! {
	name: StructWithNullableUnion,
	members: [
	val {
	ty: Option<Box<SimpleUnion>>,
	offset_v1: 0,
	offset_v2: 0,
	},
	],
	padding_v1: [],
	padding_v2: [],
	size_v1: 24,
	size_v2: 16,
	align_v1: 8,
	align_v2: 8,
	}

	#[derive(Debug, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
	pub struct StructWithNullableVector {
	pub val: Option<Vec<i32>>,
	}

	impl fidl::encoding::Persistable for StructWithNullableVector {}

	fidl_struct! {
	name: StructWithNullableVector,
	members: [
	val {
	ty: Option<Vec<i32>>,
	offset_v1: 0,
	offset_v2: 0,
	},
	],
	padding_v1: [],
	padding_v2: [],
	size_v1: 16,
	size_v2: 16,
	align_v1: 8,
	align_v2: 8,
	}

	#[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
	pub struct SimpleProtocolMarker;

	impl fidl::endpoints::ProtocolMarker for SimpleProtocolMarker {
	type Proxy = SimpleProtocolProxy;
	type RequestStream = SimpleProtocolRequestStream;
	const DEBUG_NAME: &'static str = "(anonymous) SimpleProtocol";
	}

	pub trait SimpleProtocolProxyInterface: Send + Sync {
	type AddResponseFut: std::future::Future<Output = Result<(i32), fidl::Error>> + Send;
	fn r#add(&self, a: i32, b: i32) -> Self::AddResponseFut;
	}

	#[derive(Debug)]
	#[cfg(target_os = "fuchsia")]
	pub struct SimpleProtocolSynchronousProxy {
	client: fidl::client::sync::Client,
	}

	#[cfg(target_os = "fuchsia")]
	impl SimpleProtocolSynchronousProxy {
	pub fn new(channel: fidl::Channel) -> Self {
	let protocol_name = <SimpleProtocolMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
	Self { client: fidl::client::sync::Client::new(channel, protocol_name) }
	}

	pub fn into_channel(self) -> fidl::Channel {
	self.client.into_channel()
	}

	/// Waits until an event arrives and returns it. It is safe for other
	/// threads to make concurrent requests while waiting for an event.
	pub fn wait_for_event(&self, deadline: zx::Time) -> Result<SimpleProtocolEvent, fidl::Error> {
	SimpleProtocolEvent::decode(self.client.wait_for_event(deadline)?)
	}
	pub fn r#add(
	&self,
	mut a: i32,
	mut b: i32,
	___deadline: zx::Time,
	) -> Result<(i32), fidl::Error> {
	let _value: (i32,) = self.client.send_query(
	&mut (a, b),
	0x7ee19cf19ae30276,
	fidl::encoding::DynamicFlags::empty(),
	___deadline,
	)?;
	Ok(_value.0)
	}
	}

	#[derive(Debug, Clone)]
	pub struct SimpleProtocolProxy {
	client: fidl::client::Client,
	}

	impl fidl::endpoints::Proxy for SimpleProtocolProxy {
	type Protocol = SimpleProtocolMarker;

	fn from_channel(inner: fidl::AsyncChannel) -> Self {
	Self::new(inner)
	}

	fn into_channel(self) -> Result<::fidl::AsyncChannel, Self> {
	self.client.into_channel().map_err(\|client\| Self { client })
	}

	fn as_channel(&self) -> &::fidl::AsyncChannel {
	self.client.as_channel()
	}
	}

	impl SimpleProtocolProxy {
	/// Create a new Proxy for SimpleProtocol
	pub fn new(channel: fidl::AsyncChannel) -> Self {
	let protocol_name = <SimpleProtocolMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME;
	Self { client: fidl::client::Client::new(channel, protocol_name) }
	}

	/// Get a Stream of events from the remote end of the SimpleProtocol protocol
	///
	/// # Panics
	///
	/// Panics if the event stream was already taken.
	pub fn take_event_stream(&self) -> SimpleProtocolEventStream {
	SimpleProtocolEventStream { event_receiver: self.client.take_event_receiver() }
	}
	pub fn r#add(&self, mut a: i32, mut b: i32) -> fidl::client::QueryResponseFut<(i32)> {
	SimpleProtocolProxyInterface::r#add(self, a, b)
	}
	}

	impl SimpleProtocolProxyInterface for SimpleProtocolProxy {
	type AddResponseFut = fidl::client::QueryResponseFut<(i32)>;
	fn r#add(&self, mut a: i32, mut b: i32) -> Self::AddResponseFut {
	fn transform(result: Result<(i32,), fidl::Error>) -> Result<(i32), fidl::Error> {
	result.map(\|_value\| _value.0)
	}
	let send_result = self.client.call_send_raw_query(
	&mut (a, b),
	0x7ee19cf19ae30276,
	fidl::encoding::DynamicFlags::empty(),
	);
	QueryResponseFut(match send_result {
	Ok(res_fut) => future::maybe_done(
	res_fut.and_then(\|buf\| decode_transaction_body_fut(buf, transform)),
	),
	Err(e) => MaybeDone::Done(Err(e)),
	})
	}
	}

	pub struct SimpleProtocolEventStream {
	event_receiver: fidl::client::EventReceiver,
	}

	impl std::marker::Unpin for SimpleProtocolEventStream {}

	impl futures::stream::FusedStream for SimpleProtocolEventStream {
	fn is_terminated(&self) -> bool {
	self.event_receiver.is_terminated()
	}
	}

	impl futures::Stream for SimpleProtocolEventStream {
	type Item = Result<SimpleProtocolEvent, fidl::Error>;

	fn poll_next(
	mut self: std::pin::Pin<&mut Self>,
	cx: &mut std::task::Context<'_>,
	) -> std::task::Poll<Option<Self::Item>> {
	let buf = match futures::ready!(futures::stream::StreamExt::poll_next_unpin(
	&mut self.event_receiver,
	cx
	)?) {
	Some(buf) => buf,
	None => return std::task::Poll::Ready(None),
	};

	std::task::Poll::Ready(Some(SimpleProtocolEvent::decode(buf)))
	}
	}

	#[derive(Debug)]
	pub enum SimpleProtocolEvent {}

	impl SimpleProtocolEvent {
	fn decode(mut buf: fidl::MessageBufEtc) -> Result<SimpleProtocolEvent, fidl::Error> {
	let (bytes, _handles) = buf.split_mut();
	let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

	match tx_header.ordinal() {
	_ => Err(fidl::Error::UnknownOrdinal {
	ordinal: tx_header.ordinal(),
	protocol_name:
	<SimpleProtocolMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
	}),
	}
	}
	}

	/// A Stream of incoming requests for SimpleProtocol
	pub struct SimpleProtocolRequestStream {
	inner: std::sync::Arc<fidl::ServeInner>,
	is_terminated: bool,
	}

	impl std::marker::Unpin for SimpleProtocolRequestStream {}

	impl futures::stream::FusedStream for SimpleProtocolRequestStream {
	fn is_terminated(&self) -> bool {
	self.is_terminated
	}
	}

	impl fidl::endpoints::RequestStream for SimpleProtocolRequestStream {
	type Protocol = SimpleProtocolMarker;
	type ControlHandle = SimpleProtocolControlHandle;

	fn from_channel(channel: fidl::AsyncChannel) -> Self {
	Self { inner: std::sync::Arc::new(fidl::ServeInner::new(channel)), is_terminated: false }
	}

	fn control_handle(&self) -> Self::ControlHandle {
	SimpleProtocolControlHandle { inner: self.inner.clone() }
	}

	fn into_inner(self) -> (::std::sync::Arc<fidl::ServeInner>, bool) {
	(self.inner, self.is_terminated)
	}

	fn from_inner(inner: std::sync::Arc<fidl::ServeInner>, is_terminated: bool) -> Self {
	Self { inner, is_terminated }
	}
	}

	impl futures::Stream for SimpleProtocolRequestStream {
	type Item = Result<SimpleProtocolRequest, fidl::Error>;

	fn poll_next(
	mut self: std::pin::Pin<&mut Self>,
	cx: &mut std::task::Context<'_>,
	) -> std::task::Poll<Option<Self::Item>> {
	let this = &mut *self;
	if this.inner.poll_shutdown(cx) {
	this.is_terminated = true;
	return std::task::Poll::Ready(None);
	}
	if this.is_terminated {
	panic!("polled SimpleProtocolRequestStream after completion");
	}
	fidl::encoding::with_tls_decode_buf(\|bytes, handles\| {
	match this.inner.channel().read_etc(cx, bytes, handles) {
	std::task::Poll::Ready(Ok(())) => {}
	std::task::Poll::Pending => return std::task::Poll::Pending,
	std::task::Poll::Ready(Err(zx_status::Status::PEER_CLOSED)) => {
	this.is_terminated = true;
	return std::task::Poll::Ready(None);
	}
	std::task::Poll::Ready(Err(e)) => {
	return std::task::Poll::Ready(Some(Err(fidl::Error::ServerRequestRead(e))))
	}
	}

	// A message has been received from the channel
	let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
	if !header.is_compatible() {
	return std::task::Poll::Ready(Some(Err(fidl::Error::IncompatibleMagicNumber(
	header.magic_number(),
	))));
	}

	std::task::Poll::Ready(Some(match header.ordinal() {
	0x7ee19cf19ae30276 => {
	let mut req: (i32, i32) = fidl::encoding::Decodable::new_empty();
	fidl::duration_begin!("fidl", "decode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "name" => "test.nullable/SimpleProtocolAddRequest");
	fidl::trace_blob!("fidl:blob", "decode", bytes);
	fidl::encoding::Decoder::decode_into(&header, _body_bytes, handles, &mut req)?;
	fidl::duration_end!("fidl", "decode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "size" => bytes.len() as u32, "handle_count" => handles.len() as u32);
	let control_handle = SimpleProtocolControlHandle { inner: this.inner.clone() };

	Ok(SimpleProtocolRequest::Add {
	a: req.0,
	b: req.1,
	responder: SimpleProtocolAddResponder {
	control_handle: std::mem::ManuallyDrop::new(control_handle),
	tx_id: header.tx_id(),
	ordinal: header.ordinal(),
	},
	})
	}
	_ => Err(fidl::Error::UnknownOrdinal {
	ordinal: header.ordinal(),
	protocol_name:
	<SimpleProtocolMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
	}),
	}))
	})
	}
	}
	#[derive(Debug)]
	pub enum SimpleProtocolRequest {
	Add { a: i32, b: i32, responder: SimpleProtocolAddResponder },
	}

	impl SimpleProtocolRequest {
	#[allow(irrefutable_let_patterns)]
	pub fn into_add(self) -> Option<(i32, i32, SimpleProtocolAddResponder)> {
	if let SimpleProtocolRequest::Add { a, b, responder } = self {
	Some((a, b, responder))
	} else {
	None
	}
	}

	/// Name of the method defined in FIDL
	pub fn method_name(&self) -> &'static str {
	match *self {
	SimpleProtocolRequest::Add { .. } => "add",
	}
	}
	}

	#[derive(Debug, Clone)]
	pub struct SimpleProtocolControlHandle {
	inner: std::sync::Arc<fidl::ServeInner>,
	}

	impl fidl::endpoints::ControlHandle for SimpleProtocolControlHandle {
	fn shutdown(&self) {
	self.inner.shutdown()
	}

	fn shutdown_with_epitaph(&self, status: zx_status::Status) {
	self.inner.shutdown_with_epitaph(status)
	}
	}

	impl SimpleProtocolControlHandle {}
	#[must_use = "FIDL methods require a response to be sent"]
	#[derive(Debug)]
	pub struct SimpleProtocolAddResponder {
	control_handle: std::mem::ManuallyDrop<SimpleProtocolControlHandle>,
	tx_id: u32,
	ordinal: u64,
	}

	/// Set the the channel to be shutdown (see [`SimpleProtocolControlHandle::shutdown`])
	/// if the responder is dropped without sending a response, so that the client
	/// doesn't hang. To prevent this behavior, call `drop_without_shutdown`.
	impl std::ops::Drop for SimpleProtocolAddResponder {
	fn drop(&mut self) {
	self.control_handle.shutdown();
	// Safety: drops once, never accessed again
	unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
	}
	}

	impl fidl::endpoints::Responder for SimpleProtocolAddResponder {
	type ControlHandle = SimpleProtocolControlHandle;

	fn control_handle(&self) -> &SimpleProtocolControlHandle {
	&self.control_handle
	}

	fn drop_without_shutdown(mut self) {
	// Safety: drops once, never accessed again due to mem::forget
	unsafe { std::mem::ManuallyDrop::drop(&mut self.control_handle) };
	// Prevent Drop from running (which would shut down the channel)
	std::mem::forget(self);
	}
	}

	impl SimpleProtocolAddResponder {
	/// Sends a response to the FIDL transaction.
	///
	/// Sets the channel to shutdown if an error occurs.
	pub fn send(self, mut sum: i32) -> Result<(), fidl::Error> {
	let r = self.send_raw(sum);
	if r.is_err() {
	self.control_handle.shutdown();
	}
	self.drop_without_shutdown();
	r
	}

	/// Similar to "send" but does not shutdown the channel if
	/// an error occurs.
	pub fn send_no_shutdown_on_err(self, mut sum: i32) -> Result<(), fidl::Error> {
	let r = self.send_raw(sum);
	self.drop_without_shutdown();
	r
	}

	fn send_raw(&self, mut sum: i32) -> Result<(), fidl::Error> {
	let mut response = (sum);

	let mut msg = fidl::encoding::TransactionMessage {
	header: fidl::encoding::TransactionHeader::new(
	self.tx_id,
	self.ordinal,
	fidl::encoding::DynamicFlags::empty(),
	),
	body: &mut response,
	};

	fidl::encoding::with_tls_encode_buf(\|bytes, handles\| {
	fidl::duration_begin!("fidl", "encode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "name" => "test.nullable/SimpleProtocolAddResponse");
	fidl::encoding::Encoder::encode(bytes, handles, &mut msg)?;
	fidl::trace_blob!("fidl:blob", "encode", bytes.as_slice());
	fidl::duration_end!("fidl", "encode", "bindings" => _FIDL_TRACE_BINDINGS_RUST, "size" => bytes.len() as u32, "handle_count" => handles.len() as u32);

	self.control_handle
	.inner
	.channel()
	.write_etc(&bytes, &mut handles)
	.map_err(fidl::Error::ServerResponseWrite)?;
	Ok(())
	})
	}
	}