tools/fidl/fidlgen_rust/goldens/arrays.rs.golden

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

// fidl_experiment = no_optional_structs
// fidl_experiment = output_index_json
// fidl_experiment = unknown_interactions
// fidl_experiment = unknown_interactions_mandate

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

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

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

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(C)]
pub struct StructLargeArray {
    pub a: [u32; 100],
}

impl fidl::Persistable for StructLargeArray {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
#[repr(C)]
pub struct StructSmallArray {
    pub a: [u32; 2],
}

impl fidl::Persistable for StructSmallArray {}

#[derive(Clone, Debug, Default, PartialEq)]
pub struct TableLargeArray {
    pub a: Option<[u32; 100]>,
    #[deprecated = "Use `..Default::default()` to construct and `..` to match."]
    #[doc(hidden)]
    pub __non_exhaustive: (),
}

impl fidl::Persistable for TableLargeArray {}

#[derive(Clone, Debug, Default, PartialEq)]
pub struct TableSmallArray {
    pub a: Option<[u32; 2]>,
    #[deprecated = "Use `..Default::default()` to construct and `..` to match."]
    #[doc(hidden)]
    pub __non_exhaustive: (),
}

impl fidl::Persistable for TableSmallArray {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub enum UnionLargeArray {
    A([u32; 100]),
}

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

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

impl fidl::Persistable for UnionLargeArray {}

#[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)]
pub enum UnionSmallArray {
    A([u32; 2]),
}

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

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

impl fidl::Persistable for UnionSmallArray {}

mod internal {
    use super::*;

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

        #[inline(always)]
        fn inline_align(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            }
        }

        #[inline(always)]
        fn inline_size(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 400,
                fidl::encoding::WireFormatVersion::V2 => 400,
            }
        }
        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

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

    unsafe impl fidl::encoding::Encode<StructLargeArray> for &StructLargeArray {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<StructLargeArray>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut StructLargeArray)
                    .write_unaligned((self as *const StructLargeArray).read());
                // Zero out padding regions. Unlike `fidl_struct_impl_noncopy!`, this must be
                // done second because the memcpy will write garbage to these bytes.
            }
            Ok(())
        }
    }
    unsafe impl<T0: fidl::encoding::Encode<fidl::encoding::Array<u32, 100>>>
        fidl::encoding::Encode<StructLargeArray> for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<StructLargeArray>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => {}
                fidl::encoding::WireFormatVersion::V2 => {}
            };
            // Write the fields.
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 0,
                fidl::encoding::WireFormatVersion::V2 => 0,
            };
            self.0.encode(encoder, offset + member_offset, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for StructLargeArray {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { a: fidl::new_empty!(fidl::encoding::Array<u32, 100>) }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let buf_ptr = unsafe { decoder.buf.as_ptr().add(offset) };
            // Verify that padding bytes are zero.
            // Copy from the buffer into the object.
            unsafe {
                std::ptr::copy_nonoverlapping(buf_ptr, self as *mut Self as *mut u8, 400);
            }
            Ok(())
        }
    }

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

        #[inline(always)]
        fn inline_align(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 4,
                fidl::encoding::WireFormatVersion::V2 => 4,
            }
        }

        #[inline(always)]
        fn inline_size(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 8,
                fidl::encoding::WireFormatVersion::V2 => 8,
            }
        }
        #[inline(always)]
        fn encode_is_copy() -> bool {
            true
        }

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

    unsafe impl fidl::encoding::Encode<StructSmallArray> for &StructSmallArray {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<StructSmallArray>(offset);
            unsafe {
                // Copy the object into the buffer.
                let buf_ptr = encoder.buf.as_mut_ptr().add(offset);
                (buf_ptr as *mut StructSmallArray)
                    .write_unaligned((self as *const StructSmallArray).read());
                // Zero out padding regions. Unlike `fidl_struct_impl_noncopy!`, this must be
                // done second because the memcpy will write garbage to these bytes.
            }
            Ok(())
        }
    }
    unsafe impl<T0: fidl::encoding::Encode<fidl::encoding::Array<u32, 2>>>
        fidl::encoding::Encode<StructSmallArray> for (T0,)
    {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<StructSmallArray>(offset);
            // Zero out padding regions. There's no need to apply masks
            // because the unmasked parts will be overwritten by fields.
            match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => {}
                fidl::encoding::WireFormatVersion::V2 => {}
            };
            // Write the fields.
            let member_offset = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 0,
                fidl::encoding::WireFormatVersion::V2 => 0,
            };
            self.0.encode(encoder, offset + member_offset, depth)?;
            Ok(())
        }
    }

    impl fidl::encoding::Decode<Self> for StructSmallArray {
        #[inline(always)]
        fn new_empty() -> Self {
            Self { a: fidl::new_empty!(fidl::encoding::Array<u32, 2>) }
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            decoder.debug_check_bounds::<Self>(offset);
            let buf_ptr = unsafe { decoder.buf.as_ptr().add(offset) };
            // Verify that padding bytes are zero.
            // Copy from the buffer into the object.
            unsafe {
                std::ptr::copy_nonoverlapping(buf_ptr, self as *mut Self as *mut u8, 8);
            }
            Ok(())
        }
    }

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

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

    unsafe impl fidl::encoding::Encode<TableLargeArray> for &TableLargeArray {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<TableLargeArray>(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);
            // write_out_of_line must not be called with a zero-sized out-of-line block.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 16,
                fidl::encoding::WireFormatVersion::V2 => 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::<fidl::encoding::Array<u32, 100>>(
                self.a.as_ref().map(
                    <fidl::encoding::Array<u32, 100> as fidl::encoding::ValueTypeMarker>::borrow,
                ),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

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

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            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,
            };
            depth.increment()?;
            let envelope_size = match decoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 16,
                fidl::encoding::WireFormatVersion::V2 => 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 =
                    <fidl::encoding::Array<u32, 100> as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if let fidl::encoding::WireFormatVersion::V2 = decoder.context.wire_format_version {
                    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.a.get_or_insert_with(|| fidl::new_empty!(fidl::encoding::Array<u32, 100>));
                fidl::decode!(fidl::encoding::Array<u32, 100>, 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 TableSmallArray {
        #[inline(always)]
        fn max_ordinal_present(&self) -> u64 {
            if let Some(_) = self.a {
                return 1;
            }
            0
        }
    }

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

    unsafe impl fidl::encoding::Encode<TableSmallArray> for &TableSmallArray {
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            mut depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<TableSmallArray>(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);
            // write_out_of_line must not be called with a zero-sized out-of-line block.
            if max_ordinal == 0 {
                return Ok(());
            }
            depth.increment()?;
            let envelope_size = match encoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 16,
                fidl::encoding::WireFormatVersion::V2 => 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::<fidl::encoding::Array<u32, 2>>(
                self.a.as_ref().map(
                    <fidl::encoding::Array<u32, 2> as fidl::encoding::ValueTypeMarker>::borrow,
                ),
                encoder,
                offset + cur_offset,
                depth,
            )?;

            _prev_end_offset = cur_offset + envelope_size;

            Ok(())
        }
    }

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

        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            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,
            };
            depth.increment()?;
            let envelope_size = match decoder.context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 16,
                fidl::encoding::WireFormatVersion::V2 => 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 =
                    <fidl::encoding::Array<u32, 2> as fidl::encoding::TypeMarker>::inline_size(
                        decoder.context,
                    );
                if let fidl::encoding::WireFormatVersion::V2 = decoder.context.wire_format_version {
                    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.a.get_or_insert_with(|| fidl::new_empty!(fidl::encoding::Array<u32, 2>));
                fidl::decode!(fidl::encoding::Array<u32, 2>, 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(())
        }
    }

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

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

        #[inline(always)]
        fn inline_size(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 24,
                fidl::encoding::WireFormatVersion::V2 => 16,
            }
        }
    }
    impl fidl::encoding::ValueTypeMarker for UnionLargeArray {
        type Borrowed<'a> = &'a Self;
        fn borrow<'a>(
            value: &'a <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::Encode<UnionLargeArray> for &UnionLargeArray {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<UnionLargeArray>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                UnionLargeArray::A(ref val) => fidl::encoding::encode_in_envelope::<
                    fidl::encoding::Array<u32, 100>,
                >(
                    <fidl::encoding::Array<u32, 100> as fidl::encoding::ValueTypeMarker>::borrow(
                        val,
                    ),
                    encoder,
                    offset + 8,
                    _depth,
                ),
            }
        }
    }

    impl fidl::encoding::Decode<Self> for UnionLargeArray {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::A(fidl::new_empty!(fidl::encoding::Array<u32, 100>))
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            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 => <fidl::encoding::Array<u32, 100> as fidl::encoding::TypeMarker>::inline_size(
                    decoder.context,
                ),
                _ => return Err(fidl::Error::UnknownUnionTag),
            };

            if let fidl::encoding::WireFormatVersion::V2 = decoder.context.wire_format_version {
                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 UnionLargeArray::A(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self =
                            UnionLargeArray::A(fidl::new_empty!(fidl::encoding::Array<u32, 100>));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let UnionLargeArray::A(ref mut val) = self {
                        fidl::decode!(fidl::encoding::Array<u32, 100>, 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(())
        }
    }

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

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

        #[inline(always)]
        fn inline_size(context: fidl::encoding::Context) -> usize {
            match context.wire_format_version {
                fidl::encoding::WireFormatVersion::V1 => 24,
                fidl::encoding::WireFormatVersion::V2 => 16,
            }
        }
    }
    impl fidl::encoding::ValueTypeMarker for UnionSmallArray {
        type Borrowed<'a> = &'a Self;
        fn borrow<'a>(
            value: &'a <Self as fidl::encoding::TypeMarker>::Owned,
        ) -> Self::Borrowed<'a> {
            value
        }
    }

    unsafe impl fidl::encoding::Encode<UnionSmallArray> for &UnionSmallArray {
        #[inline]
        unsafe fn encode(
            self,
            encoder: &mut fidl::encoding::Encoder<'_>,
            offset: usize,
            _depth: fidl::encoding::Depth,
        ) -> fidl::Result<()> {
            encoder.debug_check_bounds::<UnionSmallArray>(offset);
            encoder.write_num::<u64>(self.ordinal(), offset);
            match self {
                UnionSmallArray::A(ref val) => fidl::encoding::encode_in_envelope::<
                    fidl::encoding::Array<u32, 2>,
                >(
                    <fidl::encoding::Array<u32, 2> as fidl::encoding::ValueTypeMarker>::borrow(val),
                    encoder,
                    offset + 8,
                    _depth,
                ),
            }
        }
    }

    impl fidl::encoding::Decode<Self> for UnionSmallArray {
        #[inline(always)]
        fn new_empty() -> Self {
            Self::A(fidl::new_empty!(fidl::encoding::Array<u32, 2>))
        }

        #[inline]
        unsafe fn decode(
            &mut self,
            decoder: &mut fidl::encoding::Decoder<'_>,
            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 => <fidl::encoding::Array<u32, 2> as fidl::encoding::TypeMarker>::inline_size(
                    decoder.context,
                ),
                _ => return Err(fidl::Error::UnknownUnionTag),
            };

            if let fidl::encoding::WireFormatVersion::V2 = decoder.context.wire_format_version {
                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 UnionSmallArray::A(_) = self {
                        // Do nothing, read the value into the object
                    } else {
                        // Initialize `self` to the right variant
                        *self = UnionSmallArray::A(fidl::new_empty!(fidl::encoding::Array<u32, 2>));
                    }
                    #[allow(irrefutable_let_patterns)]
                    if let UnionSmallArray::A(ref mut val) = self {
                        fidl::decode!(fidl::encoding::Array<u32, 2>, 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(())
        }
    }
}