```rust
#![feature(prelude_import)]
#[prelude_import]
use std::prelude::rust_2021::*;
#[macro_use]
extern crate std;
use serde::Deserialize;
struct StructWithCustomFieldFromXml {
flag: bool,
test: Nested,
}
#[doc(hidden)]
#[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
const _: () = {
#[allow(unused_extern_crates, clippy::useless_attribute)]
extern crate serde as _serde;
#[automatically_derived]
impl<'de> _serde::Deserialize<'de> for StructWithCustomFieldFromXml {
fn deserialize<__D>(__deserializer: __D) -> _serde::__private::Result<Self, __D::Error>
where
__D: _serde::Deserializer<'de>,
{
#[allow(non_camel_case_types)]
enum __Field {
__field0,
__field1,
__ignore,
}
struct __FieldVisitor;
impl<'de> _serde::de::Visitor<'de> for __FieldVisitor {
type Value = __Field;
fn expecting(
&self,
__formatter: &mut _serde::__private::Formatter,
) -> _serde::__private::fmt::Result {
_serde::__private::Formatter::write_str(__formatter, "field identifier")
}
fn visit_u64<__E>(self, __value: u64) -> _serde::__private::Result<Self::Value, __E>
where
__E: _serde::de::Error,
{
match __value {
0u64 => _serde::__private::Ok(__Field::__field0),
1u64 => _serde::__private::Ok(__Field::__field1),
_ => _serde::__private::Ok(__Field::__ignore),
}
}
fn visit_str<__E>(
self,
__value: &str,
) -> _serde::__private::Result<Self::Value, __E>
where
__E: _serde::de::Error,
{
match __value {
"flag" => _serde::__private::Ok(__Field::__field0),
"test" => _serde::__private::Ok(__Field::__field1),
_ => _serde::__private::Ok(__Field::__ignore),
}
}
fn visit_bytes<__E>(
self,
__value: &[u8],
) -> _serde::__private::Result<Self::Value, __E>
where
__E: _serde::de::Error,
{
match __value {
b"flag" => _serde::__private::Ok(__Field::__field0),
b"test" => _serde::__private::Ok(__Field::__field1),
_ => _serde::__private::Ok(__Field::__ignore),
}
}
}
impl<'de> _serde::Deserialize<'de> for __Field {
#[inline]
fn deserialize<__D>(
__deserializer: __D,
) -> _serde::__private::Result<Self, __D::Error>
where
__D: _serde::Deserializer<'de>,
{
_serde::Deserializer::deserialize_identifier(__deserializer, __FieldVisitor)
}
}
struct __Visitor<'de> {
marker: _serde::__private::PhantomData<StructWithCustomFieldFromXml>,
lifetime: _serde::__private::PhantomData<&'de ()>,
}
impl<'de> _serde::de::Visitor<'de> for __Visitor<'de> {
type Value = StructWithCustomFieldFromXml;
fn expecting(
&self,
__formatter: &mut _serde::__private::Formatter,
) -> _serde::__private::fmt::Result {
_serde::__private::Formatter::write_str(
__formatter,
"struct StructWithCustomFieldFromXml",
)
}
#[inline]
fn visit_seq<__A>(
self,
mut __seq: __A,
) -> _serde::__private::Result<Self::Value, __A::Error>
where
__A: _serde::de::SeqAccess<'de>,
{
let __field0 =
match match _serde::de::SeqAccess::next_element::<bool>(&mut __seq) {
_serde::__private::Ok(__val) => __val,
_serde::__private::Err(__err) => {
return _serde::__private::Err(__err);
}
} {
_serde::__private::Some(__value) => __value,
_serde::__private::None => {
return _serde::__private::Err(_serde::de::Error::invalid_length(
0usize,
&"struct StructWithCustomFieldFromXml with 2 elements",
));
}
};
let __field1 =
match match _serde::de::SeqAccess::next_element::<Nested>(&mut __seq) {
_serde::__private::Ok(__val) => __val,
_serde::__private::Err(__err) => {
return _serde::__private::Err(__err);
}
} {
_serde::__private::Some(__value) => __value,
_serde::__private::None => {
return _serde::__private::Err(_serde::de::Error::invalid_length(
1usize,
&"struct StructWithCustomFieldFromXml with 2 elements",
));
}
};
_serde::__private::Ok(StructWithCustomFieldFromXml {
flag: __field0,
test: __field1,
})
}
#[inline]
fn visit_map<__A>(
self,
mut __map: __A,
) -> _serde::__private::Result<Self::Value, __A::Error>
where
__A: _serde::de::MapAccess<'de>,
{
let mut __field0: _serde::__private::Option<bool> = _serde::__private::None;
let mut __field1: _serde::__private::Option<Nested> = _serde::__private::None;
while let _serde::__private::Some(__key) =
match _serde::de::MapAccess::next_key::<__Field>(&mut __map) {
_serde::__private::Ok(__val) => __val,
_serde::__private::Err(__err) => {
return _serde::__private::Err(__err);
}
}
// <flag>true<flag/>
// "flag"
{
match __key {
__Field::__field0 => {
if _serde::__private::Option::is_some(&__field0) {
return _serde::__private::Err(
<__A::Error as _serde::de::Error>::duplicate_field("flag"),
);
}
__field0 = _serde::__private::Some(
match _serde::de::MapAccess::next_value::<bool>(&mut __map) {
_serde::__private::Ok(__val) => __val,
_serde::__private::Err(__err) => {
return _serde::__private::Err(__err);
}
},
);
}
__Field::__field1 => {
if _serde::__private::Option::is_some(&__field1) {
return _serde::__private::Err(
<__A::Error as _serde::de::Error>::duplicate_field("test"),
);
}
__field1 = _serde::__private::Some(
match _serde::de::MapAccess::next_value::<Nested>(&mut __map) {
_serde::__private::Ok(__val) => __val,
_serde::__private::Err(__err) => {
return _serde::__private::Err(__err);
}
},
);
}
_ => {
let _ = match _serde::de::MapAccess::next_value::<
_serde::de::IgnoredAny,
>(&mut __map)
{
_serde::__private::Ok(__val) => __val,
_serde::__private::Err(__err) => {
return _serde::__private::Err(__err);
}
};
}
}
}
let __field0 = match __field0 {
_serde::__private::Some(__field0) => __field0,
_serde::__private::None => {
match _serde::__private::de::missing_field("flag") {
_serde::__private::Ok(__val) => __val,
_serde::__private::Err(__err) => {
return _serde::__private::Err(__err);
}
}
}
};
let __field1 = match __field1 {
_serde::__private::Some(__field1) => __field1,
_serde::__private::None => {
match _serde::__private::de::missing_field("test") {
_serde::__private::Ok(__val) => __val,
_serde::__private::Err(__err) => {
return _serde::__private::Err(__err);
}
}
}
};
_serde::__private::Ok(StructWithCustomFieldFromXml {
flag: __field0,
test: __field1,
})
}
}
const FIELDS: &'static [&'static str] = &["flag", "test"];
_serde::Deserializer::deserialize_struct(
__deserializer,
"StructWithCustomFieldFromXml",
FIELDS,
__Visitor {
marker: _serde::__private::PhantomData::<StructWithCustomFieldFromXml>,
lifetime: _serde::__private::PhantomData,
},
)
}
}
};
struct Nested {
flag: bool,
}
#[doc(hidden)]
#[allow(non_upper_case_globals, unused_attributes, unused_qualifications)]
const _: () = {
#[allow(unused_extern_crates, clippy::useless_attribute)]
extern crate serde as _serde;
#[automatically_derived]
impl<'de> _serde::Deserialize<'de> for Nested {
fn deserialize<__D>(__deserializer: __D) -> _serde::__private::Result<Self, __D::Error>
where
__D: _serde::Deserializer<'de>,
{
#[allow(non_camel_case_types)]
enum __Field {
__field0,
__ignore,
}
struct __FieldVisitor;
impl<'de> _serde::de::Visitor<'de> for __FieldVisitor {
type Value = __Field;
fn expecting(
&self,
__formatter: &mut _serde::__private::Formatter,
) -> _serde::__private::fmt::Result {
_serde::__private::Formatter::write_str(__formatter, "field identifier")
}
fn visit_u64<__E>(self, __value: u64) -> _serde::__private::Result<Self::Value, __E>
where
__E: _serde::de::Error,
{
match __value {
0u64 => _serde::__private::Ok(__Field::__field0),
_ => _serde::__private::Ok(__Field::__ignore),
}
}
fn visit_str<__E>(
self,
__value: &str,
) -> _serde::__private::Result<Self::Value, __E>
where
__E: _serde::de::Error,
{
match __value {
"flag" => _serde::__private::Ok(__Field::__field0),
_ => _serde::__private::Ok(__Field::__ignore),
}
}
fn visit_bytes<__E>(
self,
__value: &[u8],
) -> _serde::__private::Result<Self::Value, __E>
where
__E: _serde::de::Error,
{
match __value {
b"flag" => _serde::__private::Ok(__Field::__field0),
_ => _serde::__private::Ok(__Field::__ignore),
}
}
}
impl<'de> _serde::Deserialize<'de> for __Field {
#[inline]
fn deserialize<__D>(
__deserializer: __D,
) -> _serde::__private::Result<Self, __D::Error>
where
__D: _serde::Deserializer<'de>,
{
_serde::Deserializer::deserialize_identifier(__deserializer, __FieldVisitor)
}
}
struct __Visitor<'de> {
marker: _serde::__private::PhantomData<Nested>,
lifetime: _serde::__private::PhantomData<&'de ()>,
}
impl<'de> _serde::de::Visitor<'de> for __Visitor<'de> {
type Value = Nested;
fn expecting(
&self,
__formatter: &mut _serde::__private::Formatter,
) -> _serde::__private::fmt::Result {
_serde::__private::Formatter::write_str(__formatter, "struct Nested")
}
#[inline]
fn visit_seq<__A>(
self,
mut __seq: __A,
) -> _serde::__private::Result<Self::Value, __A::Error>
where
__A: _serde::de::SeqAccess<'de>,
{
let __field0 =
match match _serde::de::SeqAccess::next_element::<bool>(&mut __seq) {
_serde::__private::Ok(__val) => __val,
_serde::__private::Err(__err) => {
return _serde::__private::Err(__err);
}
} {
_serde::__private::Some(__value) => __value,
_serde::__private::None => {
return _serde::__private::Err(_serde::de::Error::invalid_length(
0usize,
&"struct Nested with 1 element",
));
}
};
_serde::__private::Ok(Nested { flag: __field0 })
}
#[inline]
fn visit_map<__A>(
self,
mut __map: __A,
) -> _serde::__private::Result<Self::Value, __A::Error>
where
__A: _serde::de::MapAccess<'de>,
{
let mut __field0: _serde::__private::Option<bool> = _serde::__private::None;
while let _serde::__private::Some(__key) =
match _serde::de::MapAccess::next_key::<__Field>(&mut __map) {
_serde::__private::Ok(__val) => __val,
_serde::__private::Err(__err) => {
return _serde::__private::Err(__err);
}
}
{
match __key {
__Field::__field0 => {
if _serde::__private::Option::is_some(&__field0) {
return _serde::__private::Err(
<__A::Error as _serde::de::Error>::duplicate_field("flag"),
);
}
__field0 = _serde::__private::Some(
match _serde::de::MapAccess::next_value::<bool>(&mut __map) {
_serde::__private::Ok(__val) => __val,
_serde::__private::Err(__err) => {
return _serde::__private::Err(__err);
}
},
);
}
_ => {
let _ = match _serde::de::MapAccess::next_value::<
_serde::de::IgnoredAny,
>(&mut __map)
{
_serde::__private::Ok(__val) => __val,
_serde::__private::Err(__err) => {
return _serde::__private::Err(__err);
}
};
}
}
}
let __field0 = match __field0 {
_serde::__private::Some(__field0) => __field0,
_serde::__private::None => {
match _serde::__private::de::missing_field("flag") {
_serde::__private::Ok(__val) => __val,
_serde::__private::Err(__err) => {
return _serde::__private::Err(__err);
}
}
}
};
_serde::__private::Ok(Nested { flag: __field0 })
}
}
const FIELDS: &'static [&'static str] = &["flag"];
_serde::Deserializer::deserialize_struct(
__deserializer,
"Nested",
FIELDS,
__Visitor {
marker: _serde::__private::PhantomData::<Nested>,
lifetime: _serde::__private::PhantomData,
},
)
}
}
};
```