use super::*; #[bench] fn bench_impl(b: &mut Bencher) { b.iter(|| { quote! { impl<'de> _serde::Deserialize<'de> for Response { fn deserialize<__D>(__deserializer: __D) -> _serde::export::Result 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::export::Formatter, ) -> _serde::export::fmt::Result { _serde::export::Formatter::write_str(__formatter, "field identifier") } fn visit_u64<__E>(self, __value: u64) -> _serde::export::Result where __E: _serde::de::Error, { match __value { 0u64 => _serde::export::Ok(__Field::__field0), 1u64 => _serde::export::Ok(__Field::__field1), _ => _serde::export::Err(_serde::de::Error::invalid_value( _serde::de::Unexpected::Unsigned(__value), &"field index 0 <= i < 2", )), } } fn visit_str<__E>(self, __value: &str) -> _serde::export::Result where __E: _serde::de::Error, { match __value { "id" => _serde::export::Ok(__Field::__field0), "s" => _serde::export::Ok(__Field::__field1), _ => _serde::export::Ok(__Field::__ignore), } } fn visit_bytes<__E>( self, __value: &[u8], ) -> _serde::export::Result where __E: _serde::de::Error, { match __value { b"id" => _serde::export::Ok(__Field::__field0), b"s" => _serde::export::Ok(__Field::__field1), _ => _serde::export::Ok(__Field::__ignore), } } } impl<'de> _serde::Deserialize<'de> for __Field { #[inline] fn deserialize<__D>(__deserializer: __D) -> _serde::export::Result where __D: _serde::Deserializer<'de>, { _serde::Deserializer::deserialize_identifier(__deserializer, __FieldVisitor) } } struct __Visitor<'de> { marker: _serde::export::PhantomData, lifetime: _serde::export::PhantomData<&'de ()>, } impl<'de> _serde::de::Visitor<'de> for __Visitor<'de> { type Value = Response; fn expecting( &self, __formatter: &mut _serde::export::Formatter, ) -> _serde::export::fmt::Result { _serde::export::Formatter::write_str(__formatter, "struct Response") } #[inline] fn visit_seq<__A>( self, mut __seq: __A, ) -> _serde::export::Result where __A: _serde::de::SeqAccess<'de>, { let __field0 = match try!(_serde::de::SeqAccess::next_element::(&mut __seq)) { _serde::export::Some(__value) => __value, _serde::export::None => { return _serde::export::Err(_serde::de::Error::invalid_length( 0usize, &"struct Response with 2 elements", )); } }; let __field1 = match try!(_serde::de::SeqAccess::next_element::(&mut __seq)) { _serde::export::Some(__value) => __value, _serde::export::None => { return _serde::export::Err(_serde::de::Error::invalid_length( 1usize, &"struct Response with 2 elements", )); } }; _serde::export::Ok(Response { id: __field0, s: __field1, }) } #[inline] fn visit_map<__A>( self, mut __map: __A, ) -> _serde::export::Result where __A: _serde::de::MapAccess<'de>, { let mut __field0: _serde::export::Option = _serde::export::None; let mut __field1: _serde::export::Option = _serde::export::None; while let _serde::export::Some(__key) = try!(_serde::de::MapAccess::next_key::<__Field>(&mut __map)) { match __key { __Field::__field0 => { if _serde::export::Option::is_some(&__field0) { return _serde::export::Err( <__A::Error as _serde::de::Error>::duplicate_field("id"), ); } __field0 = _serde::export::Some( try!(_serde::de::MapAccess::next_value::(&mut __map)), ); } __Field::__field1 => { if _serde::export::Option::is_some(&__field1) { return _serde::export::Err( <__A::Error as _serde::de::Error>::duplicate_field("s"), ); } __field1 = _serde::export::Some( try!(_serde::de::MapAccess::next_value::(&mut __map)), ); } _ => { let _ = try!(_serde::de::MapAccess::next_value::< _serde::de::IgnoredAny, >(&mut __map)); } } } let __field0 = match __field0 { _serde::export::Some(__field0) => __field0, _serde::export::None => try!(_serde::private::de::missing_field("id")), }; let __field1 = match __field1 { _serde::export::Some(__field1) => __field1, _serde::export::None => try!(_serde::private::de::missing_field("s")), }; _serde::export::Ok(Response { id: __field0, s: __field1, }) } } const FIELDS: &'static [&'static str] = &["id", "s"]; _serde::Deserializer::deserialize_struct( __deserializer, "Response", FIELDS, __Visitor { marker: _serde::export::PhantomData::, lifetime: _serde::export::PhantomData, }, ) } } } }); }