fidl_fuchsia_location_position/

fidl_fuchsia_location_position.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(Clone, Debug, PartialEq)]
pub struct EmergencyProviderGetCurrentResponse {
    pub position: Position,
}

impl fidl::Persistable for EmergencyProviderGetCurrentResponse {}

/// Describes a position on Earth.
///
/// A fully-specified position includes latitude and longitude,
/// as well a radius of accuracy of the current position in
/// the horizontal plane, and the current altitude.
///
/// Note that only the latitude and longitude are guaranteed
/// to be present. The remaining fields, if present, are contained
/// within `extras`.
#[derive(Clone, Debug, PartialEq)]
pub struct Position {
    pub latitude: f64,
    pub longitude: f64,
    pub extras: PositionExtras,
}

impl fidl::Persistable for Position {}

/// Extra information about a position on Earth.
///
/// The radius of accuracy may incorporate any sources of
/// uncertainty available to the positioning system. This may include,
/// for example, radio propagation models, triangulation error, and
/// motion compensation.
///
/// Note that all extras are optional.
#[derive(Clone, Debug, Default, PartialEq)]
pub struct PositionExtras {
    pub accuracy_meters: Option<f64>,
    pub altitude_meters: Option<f64>,
    #[doc(hidden)]
    pub __source_breaking: fidl::marker::SourceBreaking,
}

impl fidl::Persistable for PositionExtras {}

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

impl fidl::endpoints::ProtocolMarker for EmergencyProviderMarker {
    type Proxy = EmergencyProviderProxy;
    type RequestStream = EmergencyProviderRequestStream;
    #[cfg(target_os = "fuchsia")]
    type SynchronousProxy = EmergencyProviderSynchronousProxy;

    const DEBUG_NAME: &'static str = "fuchsia.location.position.EmergencyProvider";
}
impl fidl::endpoints::DiscoverableProtocolMarker for EmergencyProviderMarker {}
pub type EmergencyProviderGetCurrentResult = Result<Position, fidl_fuchsia_location::Error>;

pub trait EmergencyProviderProxyInterface: Send + Sync {
    type GetCurrentResponseFut: std::future::Future<Output = Result<EmergencyProviderGetCurrentResult, fidl::Error>>
        + Send;
    fn r#get_current(&self) -> Self::GetCurrentResponseFut;
}
#[derive(Debug)]
#[cfg(target_os = "fuchsia")]
pub struct EmergencyProviderSynchronousProxy {
    client: fidl::client::sync::Client,
}

#[cfg(target_os = "fuchsia")]
impl fidl::endpoints::SynchronousProxy for EmergencyProviderSynchronousProxy {
    type Proxy = EmergencyProviderProxy;
    type Protocol = EmergencyProviderMarker;

    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 EmergencyProviderSynchronousProxy {
    pub fn new(channel: fidl::Channel) -> Self {
        let protocol_name =
            <EmergencyProviderMarker 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<EmergencyProviderEvent, fidl::Error> {
        EmergencyProviderEvent::decode(self.client.wait_for_event(deadline)?)
    }

    /// Returns the current position, if available.
    pub fn r#get_current(
        &self,
        ___deadline: zx::MonotonicInstant,
    ) -> Result<EmergencyProviderGetCurrentResult, fidl::Error> {
        let _response = self
            .client
            .send_query::<fidl::encoding::EmptyPayload, fidl::encoding::ResultType<
                EmergencyProviderGetCurrentResponse,
                fidl_fuchsia_location::Error,
            >>(
                (), 0x69243da09135d131, fidl::encoding::DynamicFlags::empty(), ___deadline
            )?;
        Ok(_response.map(|x| x.position))
    }
}

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

impl fidl::endpoints::Proxy for EmergencyProviderProxy {
    type Protocol = EmergencyProviderMarker;

    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 EmergencyProviderProxy {
    /// Create a new Proxy for fuchsia.location.position/EmergencyProvider.
    pub fn new(channel: ::fidl::AsyncChannel) -> Self {
        let protocol_name =
            <EmergencyProviderMarker 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) -> EmergencyProviderEventStream {
        EmergencyProviderEventStream { event_receiver: self.client.take_event_receiver() }
    }

    /// Returns the current position, if available.
    pub fn r#get_current(
        &self,
    ) -> fidl::client::QueryResponseFut<
        EmergencyProviderGetCurrentResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    > {
        EmergencyProviderProxyInterface::r#get_current(self)
    }
}

impl EmergencyProviderProxyInterface for EmergencyProviderProxy {
    type GetCurrentResponseFut = fidl::client::QueryResponseFut<
        EmergencyProviderGetCurrentResult,
        fidl::encoding::DefaultFuchsiaResourceDialect,
    >;
    fn r#get_current(&self) -> Self::GetCurrentResponseFut {
        fn _decode(
            mut _buf: Result<<fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc, fidl::Error>,
        ) -> Result<EmergencyProviderGetCurrentResult, fidl::Error> {
            let _response = fidl::client::decode_transaction_body::<
                fidl::encoding::ResultType<
                    EmergencyProviderGetCurrentResponse,
                    fidl_fuchsia_location::Error,
                >,
                fidl::encoding::DefaultFuchsiaResourceDialect,
                0x69243da09135d131,
            >(_buf?)?;
            Ok(_response.map(|x| x.position))
        }
        self.client.send_query_and_decode::<
            fidl::encoding::EmptyPayload,
            EmergencyProviderGetCurrentResult,
        >(
            (),
            0x69243da09135d131,
            fidl::encoding::DynamicFlags::empty(),
            _decode,
        )
    }
}

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

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

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

impl futures::Stream for EmergencyProviderEventStream {
    type Item = Result<EmergencyProviderEvent, 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(EmergencyProviderEvent::decode(buf))),
            None => std::task::Poll::Ready(None),
        }
    }
}

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

impl EmergencyProviderEvent {
    /// Decodes a message buffer as a [`EmergencyProviderEvent`].
    fn decode(
        mut buf: <fidl::encoding::DefaultFuchsiaResourceDialect as fidl::encoding::ResourceDialect>::MessageBufEtc,
    ) -> Result<EmergencyProviderEvent, 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:
                    <EmergencyProviderMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
            }),
        }
    }
}

/// A Stream of incoming requests for fuchsia.location.position/EmergencyProvider.
pub struct EmergencyProviderRequestStream {
    inner: std::sync::Arc<fidl::ServeInner<fidl::encoding::DefaultFuchsiaResourceDialect>>,
    is_terminated: bool,
}

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

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

impl fidl::endpoints::RequestStream for EmergencyProviderRequestStream {
    type Protocol = EmergencyProviderMarker;
    type ControlHandle = EmergencyProviderControlHandle;

    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 {
        EmergencyProviderControlHandle { 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 EmergencyProviderRequestStream {
    type Item = Result<EmergencyProviderRequest, 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 EmergencyProviderRequestStream 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 {
                    0x69243da09135d131 => {
                        header.validate_request_tx_id(fidl::MethodType::TwoWay)?;
                        let mut req = fidl::new_empty!(
                            fidl::encoding::EmptyPayload,
                            fidl::encoding::DefaultFuchsiaResourceDialect
                        );
                        fidl::encoding::Decoder::<fidl::encoding::DefaultFuchsiaResourceDialect>::decode_into::<fidl::encoding::EmptyPayload>(&header, _body_bytes, handles, &mut req)?;
                        let control_handle =
                            EmergencyProviderControlHandle { inner: this.inner.clone() };
                        Ok(EmergencyProviderRequest::GetCurrent {
                            responder: EmergencyProviderGetCurrentResponder {
                                control_handle: std::mem::ManuallyDrop::new(control_handle),
                                tx_id: header.tx_id,
                            },
                        })
                    }
                    _ => Err(fidl::Error::UnknownOrdinal {
                        ordinal: header.ordinal,
                        protocol_name:
                            <EmergencyProviderMarker as fidl::endpoints::ProtocolMarker>::DEBUG_NAME,
                    }),
                }))
            },
        )
    }
}

/// Provides access to position data for emergency purposes. Implementations
/// of this service are expected to be subject to different power and privacy
/// controls than more general location services.
#[derive(Debug)]
pub enum EmergencyProviderRequest {
    /// Returns the current position, if available.
    GetCurrent { responder: EmergencyProviderGetCurrentResponder },
}

impl EmergencyProviderRequest {
    #[allow(irrefutable_let_patterns)]
    pub fn into_get_current(self) -> Option<(EmergencyProviderGetCurrentResponder)> {
        if let EmergencyProviderRequest::GetCurrent { responder } = self {
            Some((responder))
        } else {
            None
        }
    }

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

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

impl fidl::endpoints::ControlHandle for EmergencyProviderControlHandle {
    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 EmergencyProviderControlHandle {}

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

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

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

    fn send_raw(
        &self,
        mut result: Result<&Position, fidl_fuchsia_location::Error>,
    ) -> Result<(), fidl::Error> {
        self.control_handle.inner.send::<fidl::encoding::ResultType<
            EmergencyProviderGetCurrentResponse,
            fidl_fuchsia_location::Error,
        >>(
            result.map(|position| (position,)),
            self.tx_id,
            0x69243da09135d131,
            fidl::encoding::DynamicFlags::empty(),
        )
    }
}

mod internal {
    use super::*;

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

    unsafe impl fidl::encoding::TypeMarker for EmergencyProviderGetCurrentResponse {
        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<EmergencyProviderGetCurrentResponse, D>
        for &EmergencyProviderGetCurrentResponse
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<EmergencyProviderGetCurrentResponse>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<EmergencyProviderGetCurrentResponse, D>::encode(
                (<Position as fidl::encoding::ValueTypeMarker>::borrow(&self.position),),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<D: fidl::encoding::ResourceDialect, T0: fidl::encoding::Encode<Position, D>>
        fidl::encoding::Encode<EmergencyProviderGetCurrentResponse, 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::<EmergencyProviderGetCurrentResponse>(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 EmergencyProviderGetCurrentResponse
    {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { position: fidl::new_empty!(Position, 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!(Position, D, &mut self.position, decoder, offset + 0, _depth)?;
            Ok(())
        }
    }

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

    unsafe impl fidl::encoding::TypeMarker for Position {
        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<Position, D> for &Position {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Position>(offset);
            // Delegate to tuple encoding.
            fidl::encoding::Encode::<Position, D>::encode(
                (
                    <f64 as fidl::encoding::ValueTypeMarker>::borrow(&self.latitude),
                    <f64 as fidl::encoding::ValueTypeMarker>::borrow(&self.longitude),
                    <PositionExtras as fidl::encoding::ValueTypeMarker>::borrow(&self.extras),
                ),
                encoder,
                offset,
                _depth,
            )
        }
    }
    unsafe impl<
            D: fidl::encoding::ResourceDialect,
            T0: fidl::encoding::Encode<f64, D>,
            T1: fidl::encoding::Encode<f64, D>,
            T2: fidl::encoding::Encode<PositionExtras, D>,
        > fidl::encoding::Encode<Position, D> for (T0, T1, T2)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<Position>(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 + 8, depth)?;
            self.2.encode(encoder, offset + 16, depth)?;
            Ok(())
        }
    }

    impl<D: fidl::encoding::ResourceDialect> fidl::encoding::Decode<Self, D> for Position {
        #[inline(always)]
        fn new_empty() -> Self {
            Self {
                latitude: fidl::new_empty!(f64, D),
                longitude: fidl::new_empty!(f64, D),
                extras: fidl::new_empty!(PositionExtras, 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!(f64, D, &mut self.latitude, decoder, offset + 0, _depth)?;
            fidl::decode!(f64, D, &mut self.longitude, decoder, offset + 8, _depth)?;
            fidl::decode!(PositionExtras, D, &mut self.extras, decoder, offset + 16, _depth)?;
            Ok(())
        }
    }

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

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

    unsafe impl fidl::encoding::TypeMarker for PositionExtras {
        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<PositionExtras, D>
        for &PositionExtras
    {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_, D>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<PositionExtras>(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::<f64, D>(
                self.accuracy_meters.as_ref().map(<f64 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::<f64, D>(
                self.altitude_meters.as_ref().map(<f64 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 PositionExtras {
        #[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 =
                    <f64 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.accuracy_meters.get_or_insert_with(|| fidl::new_empty!(f64, D));
                fidl::decode!(f64, 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 =
                    <f64 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.altitude_meters.get_or_insert_with(|| fidl::new_empty!(f64, D));
                fidl::decode!(f64, 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(())
        }
    }
}