fidl_fidl_test_imported/

fidl_fidl_test_imported.rs

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

#![warn(clippy::all)]
#![allow(unused_parens, unused_mut, unused_imports, nonstandard_style)]

use bitflags::bitflags;
use fidl::client::QueryResponseFut;
use fidl::encoding::{MessageBufFor, ProxyChannelBox, ResourceDialect};
use fidl::endpoints::{ControlHandle as _, Responder as _};
use futures::future::{self, MaybeDone, TryFutureExt};
use zx_status;

#[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
#[repr(u32)]
pub enum WantResponse {
    Success = 1,
    Err = 2,
}

impl WantResponse {
    #[inline]
    pub fn from_primitive(prim: u32) -> Option<Self> {
        match prim {
            1 => Some(Self::Success),
            2 => Some(Self::Err),
            _ => None,
        }
    }

    #[inline]
    pub const fn into_primitive(self) -> u32 {
        self as u32
    }

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

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct ComposedEchoUnionResponseWithErrorComposedRequest {
    pub value: i64,
    pub want_absolute_value: bool,
    pub forward_to_server: String,
    pub result_err: u32,
    pub result_variant: WantResponse,
}

impl fidl::Persistable for ComposedEchoUnionResponseWithErrorComposedRequest {}

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct ErrorableRequestStruct {
    pub value: SimpleStruct,
    pub result_err: u32,
    pub forward_to_server: String,
    pub result_variant: WantResponse,
}

impl fidl::Persistable for ErrorableRequestStruct {}

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct EventTriggeringRequestStruct {
    pub value: SimpleStruct,
    pub forward_to_server: String,
}

impl fidl::Persistable for EventTriggeringRequestStruct {}

#[derive(Clone, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct RequestStruct {
    pub value: SimpleStruct,
    pub forward_to_server: String,
}

impl fidl::Persistable for RequestStruct {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct ResponseStruct {
    pub value: SimpleStruct,
}

impl fidl::Persistable for ResponseStruct {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub struct SimpleStruct {
    pub f1: bool,
    pub f2: u64,
}

impl fidl::Persistable for SimpleStruct {}

#[derive(Clone, Debug, Default, PartialEq)]
pub struct ComposedEchoTableRequestComposedRequest {
    pub value: Option<u64>,
    pub forward_to_server: Option<String>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for ComposedEchoTableRequestComposedRequest {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub enum ComposedEchoUnionResponseWithErrorComposedResponse {
    Unsigned(u64),
    Signed(i64),
}

impl ComposedEchoUnionResponseWithErrorComposedResponse {
    #[inline]
    pub fn ordinal(&self) -> u64 {
        match *self {
            Self::Unsigned(_) => 1,
            Self::Signed(_) => 2,
        }
    }

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

impl fidl::Persistable for ComposedEchoUnionResponseWithErrorComposedResponse {}

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

impl fidl::endpoints::ProtocolMarker for ComposedMarker {
    type Proxy = ComposedProxy;
    type RequestStream = ComposedRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = ComposedSynchronousProxy;

    const DEBUG_NAME: &'static str = "(anonymous) Composed";
}
pub type ComposedEchoUnionResponseWithErrorComposedResult =
    Result<ComposedEchoUnionResponseWithErrorComposedResponse, u32>;

pub trait ComposedProxyInterface: Send + Sync {
    type EchoTableRequestComposedResponseFut: std::future::Future<Output = Result<SimpleStruct, fidl::Error>>
        + Send;
    fn r#echo_table_request_composed(
        &self,
        payload: &ComposedEchoTableRequestComposedRequest,
    ) -> Self::EchoTableRequestComposedResponseFut;
    type EchoUnionResponseWithErrorComposedResponseFut: std::future::Future<
            Output = Result<ComposedEchoUnionResponseWithErrorComposedResult, fidl::Error>,
        > + Send;
    fn r#echo_union_response_with_error_composed(
        &self,
        value: i64,
        want_absolute_value: bool,
        forward_to_server: &str,
        result_err: u32,
        result_variant: WantResponse,
    ) -> Self::EchoUnionResponseWithErrorComposedResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct ComposedSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for ComposedSynchronousProxy {
    type Proxy = ComposedProxy;
    type Protocol = ComposedMarker;

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

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

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

#[cfg(target_os = "fuchsia")]
impl ComposedSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name = <ComposedMarker 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::MonotonicInstant,
    ) -> Result<ComposedEvent, fidl::Error> {
        ComposedEvent::decode(self.client.wait_for_event(deadline)?)
    }

    pub fn r#echo_table_request_composed(
        &self,
        mut payload: &ComposedEchoTableRequestComposedRequest,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<SimpleStruct, fidl::Error> {
        let _response =
            self.client.send_query::<ComposedEchoTableRequestComposedRequest, ResponseStruct>(
                payload,
                0x1d545c738c7a8ee,
                fidl::encoding::DynamicFlags::empty(),
                ___deadline,
            )?;
        Ok(_response.value)
    }

    pub fn r#echo_union_response_with_error_composed(
        &self,
        mut value: i64,
        mut want_absolute_value: bool,
        mut forward_to_server: &str,
        mut result_err: u32,
        mut result_variant: WantResponse,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<ComposedEchoUnionResponseWithErrorComposedResult, fidl::Error> {
        let _response = self.client.send_query::<
            ComposedEchoUnionResponseWithErrorComposedRequest,
            fidl::encoding::ResultType<ComposedEchoUnionResponseWithErrorComposedResponse, u32>,
        >(
            (value, want_absolute_value, forward_to_server, result_err, result_variant,),
            0x38a67e88d6106443,
            fidl::encoding::DynamicFlags::empty(),
            ___deadline,
        )?;
        Ok(_response.map(|x| x))
    }
}

#[derive(Debug, Clone)]
pub struct ComposedProxy {
    client: fidl::client::Client<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

impl fidl::endpoints::Proxy for ComposedProxy {
    type Protocol = ComposedMarker;

    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 ComposedProxy {
    /// Create a new Proxy for fidl.test.imported/Composed.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name = <ComposedMarker 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 protocol.
    ///
    /// # Panics
    ///
    /// Panics if the event stream was already taken.
    pub fn take_event_stream(&self) -> ComposedEventStream {
        ComposedEventStream { event_receiver: self.client.take_event_receiver() }
    }

    pub fn r#echo_table_request_composed(
        &self,
        mut payload: &ComposedEchoTableRequestComposedRequest,
    ) -> fidl::client::QueryResponseFut<SimpleStruct, fidl::encoding::DefaultFuchsiaResourceDialect>
    {
        ComposedProxyInterface::r#echo_table_request_composed(self, payload)
    }

    pub fn r#echo_union_response_with_error_composed(
        &self,
        mut value: i64,
        mut want_absolute_value: bool,
        mut forward_to_server: &str,
        mut result_err: u32,
        mut result_variant: WantResponse,
    ) -> fidl::client::QueryResponseFut<
        ComposedEchoUnionResponseWithErrorComposedResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        ComposedProxyInterface::r#echo_union_response_with_error_composed(
            self,
            value,
            want_absolute_value,
            forward_to_server,
            result_err,
            result_variant,
        )
    }
}

impl ComposedProxyInterface for ComposedProxy {
    type EchoTableRequestComposedResponseFut =
        fidl::client::QueryResponseFut<SimpleStruct, fidl::encoding::DefaultFuchsiaResourceDialect>;
    fn r#echo_table_request_composed(
        &self,
        mut payload: &ComposedEchoTableRequestComposedRequest,
    ) -> Self::EchoTableRequestComposedResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<SimpleStruct, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                ResponseStruct,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x1d545c738c7a8ee,
            >(_buf?)?;
            Ok(_response.value)
        }
        self.client.send_query_and_decode::<ComposedEchoTableRequestComposedRequest, SimpleStruct>(
            payload,
            0x1d545c738c7a8ee,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }

    type EchoUnionResponseWithErrorComposedResponseFut = fidl::client::QueryResponseFut<
        ComposedEchoUnionResponseWithErrorComposedResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#echo_union_response_with_error_composed(
        &self,
        mut value: i64,
        mut want_absolute_value: bool,
        mut forward_to_server: &str,
        mut result_err: u32,
        mut result_variant: WantResponse,
    ) -> Self::EchoUnionResponseWithErrorComposedResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<ComposedEchoUnionResponseWithErrorComposedResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<ComposedEchoUnionResponseWithErrorComposedResponse, u32>,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x38a67e88d6106443,
            >(_buf?)?;
            Ok(_response.map(|x| x))
        }
        self.client.send_query_and_decode::<
            ComposedEchoUnionResponseWithErrorComposedRequest,
            ComposedEchoUnionResponseWithErrorComposedResult,
        >(
            (value, want_absolute_value, forward_to_server, result_err, result_variant,),
            0x38a67e88d6106443,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }
}

pub struct ComposedEventStream {
    event_receiver: fidl::client::EventReceiver<fidl::encoding::DefaultFuchsiaResourceDialect>,
}

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

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

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

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

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

impl ComposedEvent {
    /// Decodes a message buffer as a [`ComposedEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<ComposedEvent, fidl::Error> {
        let (bytes, _handles) = buf.split_mut();
        let (tx_header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;
        debug_assert_eq!(tx_header.tx_id, 0);
        match tx_header.ordinal {
            _ => Err(fidl::Error::UnknownOrdinal {
                ordinal: tx_header.ordinal,
                protocol_name: <ComposedMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fidl.test.imported/Composed.
pub struct ComposedRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for ComposedRequestStream {
    type Protocol = ComposedMarker;
    type ControlHandle = ComposedControlHandle;

    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 {
        ComposedControlHandle { inner: self.inner.clone() }
    }

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

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

impl futures::Stream for ComposedRequestStream {
    type Item = Result<ComposedRequest, 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.check_shutdown(cx) {
            this.is_terminated = true;
            return std::task::Poll::Ready(None);
        }
        if this.is_terminated {
            panic!("polled ComposedRequestStream after completion");
        }
        fidl::encoding::with_tls_decode_buf::<_, fidl::encoding::DefaultFuchsiaResourceDialect>(
            |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.into(),
                        ))))
                    }
                }

                // A message has been received from the channel
                let (header, _body_bytes) = fidl::encoding::decode_transaction_header(bytes)?;

                std::task::Poll::Ready(Some(match header.ordinal {
                    0x1d545c738c7a8ee => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            ComposedEchoTableRequestComposedRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ComposedEchoTableRequestComposedRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ComposedControlHandle { inner: this.inner.clone() };
                        Ok(ComposedRequest::EchoTableRequestComposed {
                            payload: req,
                            responder: ComposedEchoTableRequestComposedResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    0x38a67e88d6106443 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            ComposedEchoUnionResponseWithErrorComposedRequest,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<ComposedEchoUnionResponseWithErrorComposedRequest>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle = ComposedControlHandle { inner: this.inner.clone() };
                        Ok(ComposedRequest::EchoUnionResponseWithErrorComposed {
                            value: req.value,
                            want_absolute_value: req.want_absolute_value,
                            forward_to_server: req.forward_to_server,
                            result_err: req.result_err,
                            result_variant: req.result_variant,

                            responder: ComposedEchoUnionResponseWithErrorComposedResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <ComposedMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

#[derive(Debug)]
pub enum ComposedRequest {
    EchoTableRequestComposed {
        payload: ComposedEchoTableRequestComposedRequest,
        responder: ComposedEchoTableRequestComposedResponder,
    },
    EchoUnionResponseWithErrorComposed {
        value: i64,
        want_absolute_value: bool,
        forward_to_server: String,
        result_err: u32,
        result_variant: WantResponse,
        responder: ComposedEchoUnionResponseWithErrorComposedResponder,
    },
}

impl ComposedRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_echo_table_request_composed(
        self,
    ) -> Option<(ComposedEchoTableRequestComposedRequest, ComposedEchoTableRequestComposedResponder)>
    {
        if let ComposedRequest::EchoTableRequestComposed { payload, responder } = self {
            Some((payload, responder))
        } else {
            None
        }
    }

    #[allow(irrefutable_let_patterns)]
    pub fn into_echo_union_response_with_error_composed(
        self,
    ) -> Option<(
        i64,
        bool,
        String,
        u32,
        WantResponse,
        ComposedEchoUnionResponseWithErrorComposedResponder,
    )> {
        if let ComposedRequest::EchoUnionResponseWithErrorComposed {
            value,
            want_absolute_value,
            forward_to_server,
            result_err,
            result_variant,
            responder,
        } = self
        {
            Some((
                value,
                want_absolute_value,
                forward_to_server,
                result_err,
                result_variant,
                responder,
            ))
        } else {
            None
        }
    }

    /// Name of the method defined in FIDL
    pub fn method_name(&self) -> &'static str {
        match *self {
            ComposedRequest::EchoTableRequestComposed { .. } => "echo_table_request_composed",
            ComposedRequest::EchoUnionResponseWithErrorComposed { .. } => {
                "echo_union_response_with_error_composed"
            }
        }
    }
}

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

impl fidl::endpoints::ControlHandle for ComposedControlHandle {
    fn shutdown(&self) {
        self.inner.shutdown()
    }
    fn shutdown_with_epitaph(&self, status: zx_status::Status) {
        self.inner.shutdown_with_epitaph(status)
    }

    fn is_closed(&self) -> bool {
        self.inner.channel().is_closed()
    }
    fn on_closed(&self) -> fidl::OnSignalsRef<'_> {
        self.inner.channel().on_closed()
    }

    #[cfg(target_os = "fuchsia")]
    fn signal_peer(
        &self,
        clear_mask: zx::Signals,
        set_mask: zx::Signals,
    ) -> Result<(), zx_status::Status> {
        use fidl::Peered;
        self.inner.channel().signal_peer(clear_mask, set_mask)
    }
}

impl ComposedControlHandle {}

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

/// Set the the channel to be shutdown (see [`ComposedControlHandle::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 ComposedEchoTableRequestComposedResponder {
    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 ComposedEchoTableRequestComposedResponder {
    type ControlHandle = ComposedControlHandle;

    fn control_handle(&self) -> &ComposedControlHandle {
        &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 ComposedEchoTableRequestComposedResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(self, mut value: &SimpleStruct) -> Result<(), fidl::Error> {
        let _result = self.send_raw(value);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

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

    fn send_raw(&self, mut value: &SimpleStruct) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<ResponseStruct>(
            (value,),
            self.tx_id,
            0x1d545c738c7a8ee,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

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

/// Set the the channel to be shutdown (see [`ComposedControlHandle::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 ComposedEchoUnionResponseWithErrorComposedResponder {
    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 ComposedEchoUnionResponseWithErrorComposedResponder {
    type ControlHandle = ComposedControlHandle;

    fn control_handle(&self) -> &ComposedControlHandle {
        &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 ComposedEchoUnionResponseWithErrorComposedResponder {
    /// Sends a response to the FIDL transaction.
    ///
    /// Sets the channel to shutdown if an error occurs.
    pub fn send(
        self,
        mut result: Result<&ComposedEchoUnionResponseWithErrorComposedResponse, u32>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        if _result.is_err() {
            self.control_handle.shutdown();
        }
        self.drop_without_shutdown();
        _result
    }

    /// Similar to "send" but does not shutdown the channel if an error occurs.
    pub fn send_no_shutdown_on_err(
        self,
        mut result: Result<&ComposedEchoUnionResponseWithErrorComposedResponse, u32>,
    ) -> Result<(), fidl::Error> {
        let _result = self.send_raw(result);
        self.drop_without_shutdown();
        _result
    }

    fn send_raw(
        &self,
        mut result: Result<&ComposedEchoUnionResponseWithErrorComposedResponse, u32>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::ResultType<
            ComposedEchoUnionResponseWithErrorComposedResponse,
            u32,
        >>(
            result,
            self.tx_id,
            0x38a67e88d6106443,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

mod internal {
    use super::*;
    unsafe impl fidl::encoding::TypeMarker for WantResponse {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            std::mem::align_of::<u32>()
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            std::mem::size_of::<u32>()
        }

        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

        #[inline(always)]
        fn decode_is_copy() -> bool {
            false
        }
    }

    impl fidl::encoding::ValueTypeMarker for WantResponse {
        type Borrowed<'a> = Self;
        #[inline(always)]
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            *value
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<Self, D> for WantResponse {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Self>(offset);
            encoder.write_num(self.into_primitive(), offset);
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for WantResponse {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::Success
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let prim = decoder.read_num::<u32>(offset);

            *self = Self::from_primitive(prim).ok_or(fidl::Error::InvalidEnumValue)?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for ComposedEchoUnionResponseWithErrorComposedRequest {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ComposedEchoUnionResponseWithErrorComposedRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            40
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect>
        fidl::encoding::Encode<ComposedEchoUnionResponseWithErrorComposedRequest, D>
        for &ComposedEchoUnionResponseWithErrorComposedRequest
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ComposedEchoUnionResponseWithErrorComposedRequest>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ComposedEchoUnionResponseWithErrorComposedRequest, D>::encode(
                (
                    <i64 as fidl::encoding::ValueTypeMarker>::borrow(&self.value),
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(&self.want_absolute_value),
                    <fidl::encoding::UnboundedString as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.forward_to_server,
                    ),
                    <u32 as fidl::encoding::ValueTypeMarker>::borrow(&self.result_err),
                    <WantResponse as fidl::encoding::ValueTypeMarker>::borrow(&self.result_variant),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<i64, D>,
            T1: fidl::encoding::Encode<bool, D>,
            T2: fidl::encoding::Encode<fidl::encoding::UnboundedString, D>,
            T3: fidl::encoding::Encode<u32, D>,
            T4: fidl::encoding::Encode<WantResponse, D>,
        > fidl::encoding::Encode<ComposedEchoUnionResponseWithErrorComposedRequest, D>
        for (T0, T1, T2, T3, T4)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ComposedEchoUnionResponseWithErrorComposedRequest>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(8);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 8, depth)?;
            self.2.encode(encoder, offset + 16, depth)?;
            self.3.encode(encoder, offset + 32, depth)?;
            self.4.encode(encoder, offset + 36, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for ComposedEchoUnionResponseWithErrorComposedRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                value: fidl::new_empty!(i64, D),
                want_absolute_value: fidl::new_empty!(bool, D),
                forward_to_server: fidl::new_empty!(fidl::encoding::UnboundedString, D),
                result_err: fidl::new_empty!(u32, D),
                result_variant: fidl::new_empty!(WantResponse, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(8) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffffffffff00u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 8 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(i64, D, &mut self.value, decoder, offset + 0, _depth)?;
            fidl::decode!(bool, D, &mut self.want_absolute_value, decoder, offset + 8, _depth)?;
            fidl::decode!(
                fidl::encoding::UnboundedString,
                D,
                &mut self.forward_to_server,
                decoder,
                offset + 16,
                _depth
            )?;
            fidl::decode!(u32, D, &mut self.result_err, decoder, offset + 32, _depth)?;
            fidl::decode!(WantResponse, D, &mut self.result_variant, decoder, offset + 36, _depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for ErrorableRequestStruct {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ErrorableRequestStruct {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            48
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect>
        fidl::encoding::Encode<ErrorableRequestStruct, D> for &ErrorableRequestStruct
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ErrorableRequestStruct>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ErrorableRequestStruct, D>::encode(
                (
                    <SimpleStruct as fidl::encoding::ValueTypeMarker>::borrow(&self.value),
                    <u32 as fidl::encoding::ValueTypeMarker>::borrow(&self.result_err),
                    <fidl::encoding::UnboundedString as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.forward_to_server,
                    ),
                    <WantResponse as fidl::encoding::ValueTypeMarker>::borrow(&self.result_variant),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<SimpleStruct, D>,
            T1: fidl::encoding::Encode<u32, D>,
            T2: fidl::encoding::Encode<fidl::encoding::UnboundedString, D>,
            T3: fidl::encoding::Encode<WantResponse, D>,
        > fidl::encoding::Encode<ErrorableRequestStruct, D> for (T0, T1, T2, T3)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ErrorableRequestStruct>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(16);
                (ptr as *mut u64).write_unaligned(0);
            }
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(40);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 16, depth)?;
            self.2.encode(encoder, offset + 24, depth)?;
            self.3.encode(encoder, offset + 40, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for ErrorableRequestStruct
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                value: fidl::new_empty!(SimpleStruct, D),
                result_err: fidl::new_empty!(u32, D),
                forward_to_server: fidl::new_empty!(fidl::encoding::UnboundedString, D),
                result_variant: fidl::new_empty!(WantResponse, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(16) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffff00000000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 16 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(40) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffff00000000u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 40 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(SimpleStruct, D, &mut self.value, decoder, offset + 0, _depth)?;
            fidl::decode!(u32, D, &mut self.result_err, decoder, offset + 16, _depth)?;
            fidl::decode!(
                fidl::encoding::UnboundedString,
                D,
                &mut self.forward_to_server,
                decoder,
                offset + 24,
                _depth
            )?;
            fidl::decode!(WantResponse, D, &mut self.result_variant, decoder, offset + 40, _depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for EventTriggeringRequestStruct {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for EventTriggeringRequestStruct {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            32
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect>
        fidl::encoding::Encode<EventTriggeringRequestStruct, D> for &EventTriggeringRequestStruct
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<EventTriggeringRequestStruct>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<EventTriggeringRequestStruct, D>::encode(
                (
                    <SimpleStruct as fidl::encoding::ValueTypeMarker>::borrow(&self.value),
                    <fidl::encoding::UnboundedString as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.forward_to_server,
                    ),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<SimpleStruct, D>,
            T1: fidl::encoding::Encode<fidl::encoding::UnboundedString, D>,
        > fidl::encoding::Encode<EventTriggeringRequestStruct, D> for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<EventTriggeringRequestStruct>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 16, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for EventTriggeringRequestStruct
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                value: fidl::new_empty!(SimpleStruct, D),
                forward_to_server: fidl::new_empty!(fidl::encoding::UnboundedString, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(SimpleStruct, D, &mut self.value, decoder, offset + 0, _depth)?;
            fidl::decode!(
                fidl::encoding::UnboundedString,
                D,
                &mut self.forward_to_server,
                decoder,
                offset + 16,
                _depth
            )?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for RequestStruct {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for RequestStruct {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            32
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<RequestStruct, D>
        for &RequestStruct
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<RequestStruct>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<RequestStruct, D>::encode(
                (
                    <SimpleStruct as fidl::encoding::ValueTypeMarker>::borrow(&self.value),
                    <fidl::encoding::UnboundedString as fidl::encoding::ValueTypeMarker>::borrow(
                        &self.forward_to_server,
                    ),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<SimpleStruct, D>,
            T1: fidl::encoding::Encode<fidl::encoding::UnboundedString, D>,
        > fidl::encoding::Encode<RequestStruct, D> for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<RequestStruct>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 16, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for RequestStruct {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                value: fidl::new_empty!(SimpleStruct, D),
                forward_to_server: fidl::new_empty!(fidl::encoding::UnboundedString, D),
            }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(SimpleStruct, D, &mut self.value, decoder, offset + 0, _depth)?;
            fidl::decode!(
                fidl::encoding::UnboundedString,
                D,
                &mut self.forward_to_server,
                decoder,
                offset + 16,
                _depth
            )?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for ResponseStruct {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ResponseStruct {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<ResponseStruct, D>
        for &ResponseStruct
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ResponseStruct>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<ResponseStruct, D>::encode(
                (<SimpleStruct as fidl::encoding::ValueTypeMarker>::borrow(&self.value),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<D: fidl::encoding::ResourceDialect, T0: fidl::encoding::Encode<SimpleStruct, D>>
        fidl::encoding::Encode<ResponseStruct, D> for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ResponseStruct>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for ResponseStruct {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { value: fidl::new_empty!(SimpleStruct, D) }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            fidl::decode!(SimpleStruct, D, &mut self.value, decoder, offset + 0, _depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for SimpleStruct {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for SimpleStruct {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Encode<SimpleStruct, D>
        for &SimpleStruct
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SimpleStruct>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<SimpleStruct, D>::encode(
                (
                    <bool as fidl::encoding::ValueTypeMarker>::borrow(&self.f1),
                    <u64 as fidl::encoding::ValueTypeMarker>::borrow(&self.f2),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<bool, D>,
            T1: fidl::encoding::Encode<u64, D>,
        > fidl::encoding::Encode<SimpleStruct, D> for (T0, T1)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<SimpleStruct>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            unsafe {
                let ptr = encoder.buf.as_mut_ptr().add(offset).offset(0);
                (ptr as *mut u64).write_unaligned(0);
            }
            // Write the fields.
            self.0.encode(encoder, offset + 0, depth)?;
            self.1.encode(encoder, offset + 8, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for SimpleStruct {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { f1: fidl::new_empty!(bool, D), f2: fidl::new_empty!(u64, D) }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            // Verify that padding bytes are zero.
            let ptr = unsafe { decoder.buf.as_ptr().add(offset).offset(0) };
            let padval = unsafe { (ptr as *const u64).read_unaligned() };
            let mask = 0xffffffffffffff00u64;
            let maskedval = padval & mask;
            if maskedval != 0 {
                return Err(fidl::Error::NonZeroPadding {
                    padding_start: offset + 0 + ((mask as u64).trailing_zeros() / 8) as usize,
                });
            }
            fidl::decode!(bool, D, &mut self.f1, decoder, offset + 0, _depth)?;
            fidl::decode!(u64, D, &mut self.f2, decoder, offset + 8, _depth)?;
            Ok(())
        }
    }

    impl ComposedEchoTableRequestComposedRequest {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.forward_to_server {
                return 2;
            }
            if let Some(_) = self.value {
                return 1;
            }
            0
        }
    }

    impl fidl::encoding::ValueTypeMarker for ComposedEchoTableRequestComposedRequest {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ComposedEchoTableRequestComposedRequest {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect>
        fidl::encoding::Encode<ComposedEchoTableRequestComposedRequest, D>
        for &ComposedEchoTableRequestComposedRequest
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<ComposedEchoTableRequestComposedRequest>(offset);
            // Vector header
            let max_ordinal: u64 = self.max_ordinal_present();
            encoder.write_num(max_ordinal, offset);
            encoder.write_num(fidl::encoding::ALLOC_PRESENT_U64, offset + 8);
            // Calling encoder.out_of_line_offset(0) is not allowed.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = max_ordinal as usize * envelope_size;
            #[allow(unused_variables)]
            let offset = encoder.out_of_line_offset(bytes_len);
            let mut _prev_end_offset: usize = 0;
            if 1 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (1 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<u64, D>(
                self.value.as_ref().map(<u64 as fidl::encoding::ValueTypeMarker>::borrow),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;
            if 2 > max_ordinal {
                return Ok(());
            }

            // Write at offset+(ordinal-1)*envelope_size, since ordinals are one-based and envelopes
            // are envelope_size bytes.
            let cur_offset: usize = (2 - 1) * envelope_size;

            // Zero reserved fields.
            encoder.padding(offset + _prev_end_offset, cur_offset - _prev_end_offset);

            // Safety:
            // - bytes_len is calculated to fit envelope_size*max(member.ordinal).
            // - Since cur_offset is envelope_size*(member.ordinal - 1) and the envelope takes
            //   envelope_size bytes, there is always sufficient room.
            fidl::encoding::encode_in_envelope_optional::<fidl::encoding::UnboundedString, D>(
                self.forward_to_server.as_ref().map(
                    <fidl::encoding::UnboundedString as fidl::encoding::ValueTypeMarker>::borrow,
                ),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for ComposedEchoTableRequestComposedRequest
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::default()
        }

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let len = match fidl::encoding::decode_vector_header(decoder, offset)? {
                None => return Err(fidl::Error::NotNullable),
                Some(len) => len,
            };
            // Calling decoder.out_of_line_offset(0) is not allowed.
            if len == 0 {
                return Ok(());
            };
            depth.increment()?;
            let envelope_size = 8;
            let bytes_len = len * envelope_size;
            let offset = decoder.out_of_line_offset(bytes_len)?;
            // Decode the envelope for each type.
            let mut _next_ordinal_to_read = 0;
            let mut next_offset = offset;
            let end_offset = offset + bytes_len;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 1 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <u64 as fidl::encoding::TypeMarker>::inline_size(decoder.context);
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self.value.get_or_insert_with(|| fidl::new_empty!(u64, D));
                fidl::decode!(u64, D, val_ref, decoder, inner_offset, inner_depth)?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;
            _next_ordinal_to_read += 1;
            if next_offset >= end_offset {
                return Ok(());
            }

            // Decode unknown envelopes for gaps in ordinals.
            while _next_ordinal_to_read < 2 {
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                _next_ordinal_to_read += 1;
                next_offset += envelope_size;
            }

            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            if let Some((inlined, num_bytes, num_handles)) =
                fidl::encoding::decode_envelope_header(decoder, next_offset)?
            {
                let member_inline_size =
                    <fidl::encoding::UnboundedString as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if inlined != (member_inline_size <= 4) {
                    return Err(fidl::Error::InvalidInlineBitInEnvelope);
                }
                let inner_offset;
                let mut inner_depth = depth.clone();
                if inlined {
                    decoder.check_inline_envelope_padding(next_offset, member_inline_size)?;
                    inner_offset = next_offset;
                } else {
                    inner_offset = decoder.out_of_line_offset(member_inline_size)?;
                    inner_depth.increment()?;
                }
                let val_ref = self
                    .forward_to_server
                    .get_or_insert_with(|| fidl::new_empty!(fidl::encoding::UnboundedString, D));
                fidl::decode!(
                    fidl::encoding::UnboundedString,
                    D,
                    val_ref,
                    decoder,
                    inner_offset,
                    inner_depth
                )?;
                if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize)
                {
                    return Err(fidl::Error::InvalidNumBytesInEnvelope);
                }
                if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                    return Err(fidl::Error::InvalidNumHandlesInEnvelope);
                }
            }

            next_offset += envelope_size;

            // Decode the remaining unknown envelopes.
            while next_offset < end_offset {
                _next_ordinal_to_read += 1;
                fidl::encoding::decode_unknown_envelope(decoder, next_offset, depth)?;
                next_offset += envelope_size;
            }

            Ok(())
        }
    }

    impl fidl::encoding::ValueTypeMarker for ComposedEchoUnionResponseWithErrorComposedResponse {
        type Borrowed<'a> = &'a Self;
        fn borrow(value: &<Self as fidl::encoding::TypeMarker>::Owned) -> Self::Borrowed<'_> {
            value
        }
    }

    unsafe impl fidl::encoding::TypeMarker for ComposedEchoUnionResponseWithErrorComposedResponse {
        type Owned = Self;

        #[inline(always)]
        fn inline_align(_context: fidl::encoding::Context) -> usize {
            8
        }

        #[inline(always)]
        fn inline_size(_context: fidl::encoding::Context) -> usize {
            16
        }
    }

    unsafe impl<D: fidl::encoding::ResourceDialect>
        fidl::encoding::Encode<ComposedEchoUnionResponseWithErrorComposedResponse, D>
        for &ComposedEchoUnionResponseWithErrorComposedResponse
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder
                .debug_check_bounds::<ComposedEchoUnionResponseWithErrorComposedResponse>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                ComposedEchoUnionResponseWithErrorComposedResponse::Unsigned(ref val) => {
                    fidl::encoding::encode_in_envelope::<u64, D>(
                        <u64 as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
                ComposedEchoUnionResponseWithErrorComposedResponse::Signed(ref val) => {
                    fidl::encoding::encode_in_envelope::<i64, D>(
                        <i64 as fidl::encoding::ValueTypeMarker>::borrow(val),
                        encoder,
                        offset + 8,
                        _depth,
                    )
                }
            }
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D>
        for ComposedEchoUnionResponseWithErrorComposedResponse
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::Unsigned(fidl::new_empty!(u64, D))
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            #[allow(unused_variables)]
            let next_out_of_line = decoder.next_out_of_line();
            let handles_before = decoder.remaining_handles();
            let (ordinal, inlined, num_bytes, num_handles) =
                fidl::encoding::decode_union_inline_portion(decoder, offset)?;

            let member_inline_size = match ordinal {
                1 => <u64 as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                2 => <i64 as fidl::encoding::TypeMarker>::inline_size(decoder.context),
                _ => return Err(fidl::Error::UnknownUnionTag),
            };

            if inlined != (member_inline_size <= 4) {
                return Err(fidl::Error::InvalidInlineBitInEnvelope);
            }
            let _inner_offset;
            if inlined {
                decoder.check_inline_envelope_padding(offset + 8, member_inline_size)?;
                _inner_offset = offset + 8;
            } else {
                depth.increment()?;
                _inner_offset = decoder.out_of_line_offset(member_inline_size)?;
            }
            match ordinal {
                1 => {
                    #[allow(irrefutable_let_patterns)]
                    if let ComposedEchoUnionResponseWithErrorComposedResponse::Unsigned(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = ComposedEchoUnionResponseWithErrorComposedResponse::Unsigned(
                            fidl::new_empty!(u64, D),
                        );
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let ComposedEchoUnionResponseWithErrorComposedResponse::Unsigned(
                        ref mut val,
                    ) = self
                    {
                        fidl::decode!(u64, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                2 => {
                    #[allow(irrefutable_let_patterns)]
                    if let ComposedEchoUnionResponseWithErrorComposedResponse::Signed(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = ComposedEchoUnionResponseWithErrorComposedResponse::Signed(
                            fidl::new_empty!(i64, D),
                        );
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let ComposedEchoUnionResponseWithErrorComposedResponse::Signed(ref mut val) =
                        self
                    {
                        fidl::decode!(i64, D, val, decoder, _inner_offset, depth)?;
                    } else {
                        unreachable!()
                    }
                }
                ordinal => panic!("unexpected ordinal {:?}", ordinal),
            }
            if !inlined && decoder.next_out_of_line() != next_out_of_line + (num_bytes as usize) {
                return Err(fidl::Error::InvalidNumBytesInEnvelope);
            }
            if handles_before != decoder.remaining_handles() + (num_handles as usize) {
                return Err(fidl::Error::InvalidNumHandlesInEnvelope);
            }
            Ok(())
        }
    }
}