Deleted vendor folder

1 files changed, 0 insertions, 1359 deletions

diff --git a/vendor/serde_derive/src/ser.rs b/vendor/serde_derive/src/ser.rs
deleted file mode 100644
index 3be51ee..0000000
--- a/vendor/serde_derive/src/ser.rs
+++ /dev/null
@@ -1,1359 +0,0 @@
-use crate::fragment::{Fragment, Match, Stmts};
-use crate::internals::ast::{Container, Data, Field, Style, Variant};
-use crate::internals::{attr, replace_receiver, Ctxt, Derive};
-use crate::{bound, dummy, pretend, this};
-use proc_macro2::{Span, TokenStream};
-use quote::{quote, quote_spanned};
-use syn::spanned::Spanned;
-use syn::{parse_quote, Ident, Index, Member};
-
-pub fn expand_derive_serialize(input: &mut syn::DeriveInput) -> syn::Result<TokenStream> {
-    replace_receiver(input);
-
-    let ctxt = Ctxt::new();
-    let cont = match Container::from_ast(&ctxt, input, Derive::Serialize) {
-        Some(cont) => cont,
-        None => return Err(ctxt.check().unwrap_err()),
-    };
-    precondition(&ctxt, &cont);
-    ctxt.check()?;
-
-    let ident = &cont.ident;
-    let params = Parameters::new(&cont);
-    let (impl_generics, ty_generics, where_clause) = params.generics.split_for_impl();
-    let body = Stmts(serialize_body(&cont, &params));
-    let serde = cont.attrs.serde_path();
-
-    let impl_block = if let Some(remote) = cont.attrs.remote() {
-        let vis = &input.vis;
-        let used = pretend::pretend_used(&cont, params.is_packed);
-        quote! {
-            impl #impl_generics #ident #ty_generics #where_clause {
-                #vis fn serialize<__S>(__self: &#remote #ty_generics, __serializer: __S) -> #serde::__private::Result<__S::Ok, __S::Error>
-                where
-                    __S: #serde::Serializer,
-                {
-                    #used
-                    #body
-                }
-            }
-        }
-    } else {
-        quote! {
-            #[automatically_derived]
-            impl #impl_generics #serde::Serialize for #ident #ty_generics #where_clause {
-                fn serialize<__S>(&self, __serializer: __S) -> #serde::__private::Result<__S::Ok, __S::Error>
-                where
-                    __S: #serde::Serializer,
-                {
-                    #body
-                }
-            }
-        }
-    };
-
-    Ok(dummy::wrap_in_const(
-        cont.attrs.custom_serde_path(),
-        impl_block,
-    ))
-}
-
-fn precondition(cx: &Ctxt, cont: &Container) {
-    match cont.attrs.identifier() {
-        attr::Identifier::No => {}
-        attr::Identifier::Field => {
-            cx.error_spanned_by(cont.original, "field identifiers cannot be serialized");
-        }
-        attr::Identifier::Variant => {
-            cx.error_spanned_by(cont.original, "variant identifiers cannot be serialized");
-        }
-    }
-}
-
-struct Parameters {
-    /// Variable holding the value being serialized. Either `self` for local
-    /// types or `__self` for remote types.
-    self_var: Ident,
-
-    /// Path to the type the impl is for. Either a single `Ident` for local
-    /// types (does not include generic parameters) or `some::remote::Path` for
-    /// remote types.
-    this_type: syn::Path,
-
-    /// Same as `this_type` but using `::<T>` for generic parameters for use in
-    /// expression position.
-    this_value: syn::Path,
-
-    /// Generics including any explicit and inferred bounds for the impl.
-    generics: syn::Generics,
-
-    /// Type has a `serde(remote = "...")` attribute.
-    is_remote: bool,
-
-    /// Type has a repr(packed) attribute.
-    is_packed: bool,
-}
-
-impl Parameters {
-    fn new(cont: &Container) -> Self {
-        let is_remote = cont.attrs.remote().is_some();
-        let self_var = if is_remote {
-            Ident::new("__self", Span::call_site())
-        } else {
-            Ident::new("self", Span::call_site())
-        };
-
-        let this_type = this::this_type(cont);
-        let this_value = this::this_value(cont);
-        let is_packed = cont.attrs.is_packed();
-        let generics = build_generics(cont);
-
-        Parameters {
-            self_var,
-            this_type,
-            this_value,
-            generics,
-            is_remote,
-            is_packed,
-        }
-    }
-
-    /// Type name to use in error messages and `&'static str` arguments to
-    /// various Serializer methods.
-    fn type_name(&self) -> String {
-        self.this_type.segments.last().unwrap().ident.to_string()
-    }
-}
-
-// All the generics in the input, plus a bound `T: Serialize` for each generic
-// field type that will be serialized by us.
-fn build_generics(cont: &Container) -> syn::Generics {
-    let generics = bound::without_defaults(cont.generics);
-
-    let generics =
-        bound::with_where_predicates_from_fields(cont, &generics, attr::Field::ser_bound);
-
-    let generics =
-        bound::with_where_predicates_from_variants(cont, &generics, attr::Variant::ser_bound);
-
-    match cont.attrs.ser_bound() {
-        Some(predicates) => bound::with_where_predicates(&generics, predicates),
-        None => bound::with_bound(
-            cont,
-            &generics,
-            needs_serialize_bound,
-            &parse_quote!(_serde::Serialize),
-        ),
-    }
-}
-
-// Fields with a `skip_serializing` or `serialize_with` attribute, or which
-// belong to a variant with a 'skip_serializing` or `serialize_with` attribute,
-// are not serialized by us so we do not generate a bound. Fields with a `bound`
-// attribute specify their own bound so we do not generate one. All other fields
-// may need a `T: Serialize` bound where T is the type of the field.
-fn needs_serialize_bound(field: &attr::Field, variant: Option<&attr::Variant>) -> bool {
-    !field.skip_serializing()
-        && field.serialize_with().is_none()
-        && field.ser_bound().is_none()
-        && variant.map_or(true, |variant| {
-            !variant.skip_serializing()
-                && variant.serialize_with().is_none()
-                && variant.ser_bound().is_none()
-        })
-}
-
-fn serialize_body(cont: &Container, params: &Parameters) -> Fragment {
-    if cont.attrs.transparent() {
-        serialize_transparent(cont, params)
-    } else if let Some(type_into) = cont.attrs.type_into() {
-        serialize_into(params, type_into)
-    } else {
-        match &cont.data {
-            Data::Enum(variants) => serialize_enum(params, variants, &cont.attrs),
-            Data::Struct(Style::Struct, fields) => serialize_struct(params, fields, &cont.attrs),
-            Data::Struct(Style::Tuple, fields) => {
-                serialize_tuple_struct(params, fields, &cont.attrs)
-            }
-            Data::Struct(Style::Newtype, fields) => {
-                serialize_newtype_struct(params, &fields[0], &cont.attrs)
-            }
-            Data::Struct(Style::Unit, _) => serialize_unit_struct(&cont.attrs),
-        }
-    }
-}
-
-fn serialize_transparent(cont: &Container, params: &Parameters) -> Fragment {
-    let fields = match &cont.data {
-        Data::Struct(_, fields) => fields,
-        Data::Enum(_) => unreachable!(),
-    };
-
-    let self_var = &params.self_var;
-    let transparent_field = fields.iter().find(|f| f.attrs.transparent()).unwrap();
-    let member = &transparent_field.member;
-
-    let path = match transparent_field.attrs.serialize_with() {
-        Some(path) => quote!(#path),
-        None => {
-            let span = transparent_field.original.span();
-            quote_spanned!(span=> _serde::Serialize::serialize)
-        }
-    };
-
-    quote_block! {
-        #path(&#self_var.#member, __serializer)
-    }
-}
-
-fn serialize_into(params: &Parameters, type_into: &syn::Type) -> Fragment {
-    let self_var = &params.self_var;
-    quote_block! {
-        _serde::Serialize::serialize(
-            &_serde::__private::Into::<#type_into>::into(_serde::__private::Clone::clone(#self_var)),
-            __serializer)
-    }
-}
-
-fn serialize_unit_struct(cattrs: &attr::Container) -> Fragment {
-    let type_name = cattrs.name().serialize_name();
-
-    quote_expr! {
-        _serde::Serializer::serialize_unit_struct(__serializer, #type_name)
-    }
-}
-
-fn serialize_newtype_struct(
-    params: &Parameters,
-    field: &Field,
-    cattrs: &attr::Container,
-) -> Fragment {
-    let type_name = cattrs.name().serialize_name();
-
-    let mut field_expr = get_member(
-        params,
-        field,
-        &Member::Unnamed(Index {
-            index: 0,
-            span: Span::call_site(),
-        }),
-    );
-    if let Some(path) = field.attrs.serialize_with() {
-        field_expr = wrap_serialize_field_with(params, field.ty, path, &field_expr);
-    }
-
-    let span = field.original.span();
-    let func = quote_spanned!(span=> _serde::Serializer::serialize_newtype_struct);
-    quote_expr! {
-        #func(__serializer, #type_name, #field_expr)
-    }
-}
-
-fn serialize_tuple_struct(
-    params: &Parameters,
-    fields: &[Field],
-    cattrs: &attr::Container,
-) -> Fragment {
-    let serialize_stmts =
-        serialize_tuple_struct_visitor(fields, params, false, &TupleTrait::SerializeTupleStruct);
-
-    let type_name = cattrs.name().serialize_name();
-
-    let mut serialized_fields = fields
-        .iter()
-        .enumerate()
-        .filter(|(_, field)| !field.attrs.skip_serializing())
-        .peekable();
-
-    let let_mut = mut_if(serialized_fields.peek().is_some());
-
-    let len = serialized_fields
-        .map(|(i, field)| match field.attrs.skip_serializing_if() {
-            None => quote!(1),
-            Some(path) => {
-                let index = syn::Index {
-                    index: i as u32,
-                    span: Span::call_site(),
-                };
-                let field_expr = get_member(params, field, &Member::Unnamed(index));
-                quote!(if #path(#field_expr) { 0 } else { 1 })
-            }
-        })
-        .fold(quote!(0), |sum, expr| quote!(#sum + #expr));
-
-    quote_block! {
-        let #let_mut __serde_state = _serde::Serializer::serialize_tuple_struct(__serializer, #type_name, #len)?;
-        #(#serialize_stmts)*
-        _serde::ser::SerializeTupleStruct::end(__serde_state)
-    }
-}
-
-fn serialize_struct(params: &Parameters, fields: &[Field], cattrs: &attr::Container) -> Fragment {
-    assert!(fields.len() as u64 <= u64::from(u32::max_value()));
-
-    if cattrs.has_flatten() {
-        serialize_struct_as_map(params, fields, cattrs)
-    } else {
-        serialize_struct_as_struct(params, fields, cattrs)
-    }
-}
-
-fn serialize_struct_tag_field(cattrs: &attr::Container, struct_trait: &StructTrait) -> TokenStream {
-    match cattrs.tag() {
-        attr::TagType::Internal { tag } => {
-            let type_name = cattrs.name().serialize_name();
-            let func = struct_trait.serialize_field(Span::call_site());
-            quote! {
-                #func(&mut __serde_state, #tag, #type_name)?;
-            }
-        }
-        _ => quote! {},
-    }
-}
-
-fn serialize_struct_as_struct(
-    params: &Parameters,
-    fields: &[Field],
-    cattrs: &attr::Container,
-) -> Fragment {
-    let serialize_fields =
-        serialize_struct_visitor(fields, params, false, &StructTrait::SerializeStruct);
-
-    let type_name = cattrs.name().serialize_name();
-
-    let tag_field = serialize_struct_tag_field(cattrs, &StructTrait::SerializeStruct);
-    let tag_field_exists = !tag_field.is_empty();
-
-    let mut serialized_fields = fields
-        .iter()
-        .filter(|&field| !field.attrs.skip_serializing())
-        .peekable();
-
-    let let_mut = mut_if(serialized_fields.peek().is_some() || tag_field_exists);
-
-    let len = serialized_fields
-        .map(|field| match field.attrs.skip_serializing_if() {
-            None => quote!(1),
-            Some(path) => {
-                let field_expr = get_member(params, field, &field.member);
-                quote!(if #path(#field_expr) { 0 } else { 1 })
-            }
-        })
-        .fold(
-            quote!(#tag_field_exists as usize),
-            |sum, expr| quote!(#sum + #expr),
-        );
-
-    quote_block! {
-        let #let_mut __serde_state = _serde::Serializer::serialize_struct(__serializer, #type_name, #len)?;
-        #tag_field
-        #(#serialize_fields)*
-        _serde::ser::SerializeStruct::end(__serde_state)
-    }
-}
-
-fn serialize_struct_as_map(
-    params: &Parameters,
-    fields: &[Field],
-    cattrs: &attr::Container,
-) -> Fragment {
-    let serialize_fields =
-        serialize_struct_visitor(fields, params, false, &StructTrait::SerializeMap);
-
-    let tag_field = serialize_struct_tag_field(cattrs, &StructTrait::SerializeMap);
-    let tag_field_exists = !tag_field.is_empty();
-
-    let mut serialized_fields = fields
-        .iter()
-        .filter(|&field| !field.attrs.skip_serializing())
-        .peekable();
-
-    let let_mut = mut_if(serialized_fields.peek().is_some() || tag_field_exists);
-
-    let len = if cattrs.has_flatten() {
-        quote!(_serde::__private::None)
-    } else {
-        let len = serialized_fields
-            .map(|field| match field.attrs.skip_serializing_if() {
-                None => quote!(1),
-                Some(path) => {
-                    let field_expr = get_member(params, field, &field.member);
-                    quote!(if #path(#field_expr) { 0 } else { 1 })
-                }
-            })
-            .fold(
-                quote!(#tag_field_exists as usize),
-                |sum, expr| quote!(#sum + #expr),
-            );
-        quote!(_serde::__private::Some(#len))
-    };
-
-    quote_block! {
-        let #let_mut __serde_state = _serde::Serializer::serialize_map(__serializer, #len)?;
-        #tag_field
-        #(#serialize_fields)*
-        _serde::ser::SerializeMap::end(__serde_state)
-    }
-}
-
-fn serialize_enum(params: &Parameters, variants: &[Variant], cattrs: &attr::Container) -> Fragment {
-    assert!(variants.len() as u64 <= u64::from(u32::max_value()));
-
-    let self_var = &params.self_var;
-
-    let mut arms: Vec<_> = variants
-        .iter()
-        .enumerate()
-        .map(|(variant_index, variant)| {
-            serialize_variant(params, variant, variant_index as u32, cattrs)
-        })
-        .collect();
-
-    if cattrs.remote().is_some() && cattrs.non_exhaustive() {
-        arms.push(quote! {
-            ref unrecognized => _serde::__private::Err(_serde::ser::Error::custom(_serde::__private::ser::CannotSerializeVariant(unrecognized))),
-        });
-    }
-
-    quote_expr! {
-        match *#self_var {
-            #(#arms)*
-        }
-    }
-}
-
-fn serialize_variant(
-    params: &Parameters,
-    variant: &Variant,
-    variant_index: u32,
-    cattrs: &attr::Container,
-) -> TokenStream {
-    let this_value = &params.this_value;
-    let variant_ident = &variant.ident;
-
-    if variant.attrs.skip_serializing() {
-        let skipped_msg = format!(
-            "the enum variant {}::{} cannot be serialized",
-            params.type_name(),
-            variant_ident
-        );
-        let skipped_err = quote! {
-            _serde::__private::Err(_serde::ser::Error::custom(#skipped_msg))
-        };
-        let fields_pat = match variant.style {
-            Style::Unit => quote!(),
-            Style::Newtype | Style::Tuple => quote!((..)),
-            Style::Struct => quote!({ .. }),
-        };
-        quote! {
-            #this_value::#variant_ident #fields_pat => #skipped_err,
-        }
-    } else {
-        // variant wasn't skipped
-        let case = match variant.style {
-            Style::Unit => {
-                quote! {
-                    #this_value::#variant_ident
-                }
-            }
-            Style::Newtype => {
-                quote! {
-                    #this_value::#variant_ident(ref __field0)
-                }
-            }
-            Style::Tuple => {
-                let field_names = (0..variant.fields.len())
-                    .map(|i| Ident::new(&format!("__field{}", i), Span::call_site()));
-                quote! {
-                    #this_value::#variant_ident(#(ref #field_names),*)
-                }
-            }
-            Style::Struct => {
-                let members = variant.fields.iter().map(|f| &f.member);
-                quote! {
-                    #this_value::#variant_ident { #(ref #members),* }
-                }
-            }
-        };
-
-        let body = Match(match (cattrs.tag(), variant.attrs.untagged()) {
-            (attr::TagType::External, false) => {
-                serialize_externally_tagged_variant(params, variant, variant_index, cattrs)
-            }
-            (attr::TagType::Internal { tag }, false) => {
-                serialize_internally_tagged_variant(params, variant, cattrs, tag)
-            }
-            (attr::TagType::Adjacent { tag, content }, false) => {
-                serialize_adjacently_tagged_variant(
-                    params,
-                    variant,
-                    cattrs,
-                    variant_index,
-                    tag,
-                    content,
-                )
-            }
-            (attr::TagType::None, _) | (_, true) => {
-                serialize_untagged_variant(params, variant, cattrs)
-            }
-        });
-
-        quote! {
-            #case => #body
-        }
-    }
-}
-
-fn serialize_externally_tagged_variant(
-    params: &Parameters,
-    variant: &Variant,
-    variant_index: u32,
-    cattrs: &attr::Container,
-) -> Fragment {
-    let type_name = cattrs.name().serialize_name();
-    let variant_name = variant.attrs.name().serialize_name();
-
-    if let Some(path) = variant.attrs.serialize_with() {
-        let ser = wrap_serialize_variant_with(params, path, variant);
-        return quote_expr! {
-            _serde::Serializer::serialize_newtype_variant(
-                __serializer,
-                #type_name,
-                #variant_index,
-                #variant_name,
-                #ser,
-            )
-        };
-    }
-
-    match effective_style(variant) {
-        Style::Unit => {
-            quote_expr! {
-                _serde::Serializer::serialize_unit_variant(
-                    __serializer,
-                    #type_name,
-                    #variant_index,
-                    #variant_name,
-                )
-            }
-        }
-        Style::Newtype => {
-            let field = &variant.fields[0];
-            let mut field_expr = quote!(__field0);
-            if let Some(path) = field.attrs.serialize_with() {
-                field_expr = wrap_serialize_field_with(params, field.ty, path, &field_expr);
-            }
-
-            let span = field.original.span();
-            let func = quote_spanned!(span=> _serde::Serializer::serialize_newtype_variant);
-            quote_expr! {
-                #func(
-                    __serializer,
-                    #type_name,
-                    #variant_index,
-                    #variant_name,
-                    #field_expr,
-                )
-            }
-        }
-        Style::Tuple => serialize_tuple_variant(
-            TupleVariant::ExternallyTagged {
-                type_name,
-                variant_index,
-                variant_name,
-            },
-            params,
-            &variant.fields,
-        ),
-        Style::Struct => serialize_struct_variant(
-            StructVariant::ExternallyTagged {
-                variant_index,
-                variant_name,
-            },
-            params,
-            &variant.fields,
-            type_name,
-        ),
-    }
-}
-
-fn serialize_internally_tagged_variant(
-    params: &Parameters,
-    variant: &Variant,
-    cattrs: &attr::Container,
-    tag: &str,
-) -> Fragment {
-    let type_name = cattrs.name().serialize_name();
-    let variant_name = variant.attrs.name().serialize_name();
-
-    let enum_ident_str = params.type_name();
-    let variant_ident_str = variant.ident.to_string();
-
-    if let Some(path) = variant.attrs.serialize_with() {
-        let ser = wrap_serialize_variant_with(params, path, variant);
-        return quote_expr! {
-            _serde::__private::ser::serialize_tagged_newtype(
-                __serializer,
-                #enum_ident_str,
-                #variant_ident_str,
-                #tag,
-                #variant_name,
-                #ser,
-            )
-        };
-    }
-
-    match effective_style(variant) {
-        Style::Unit => {
-            quote_block! {
-                let mut __struct = _serde::Serializer::serialize_struct(
-                    __serializer, #type_name, 1)?;
-                _serde::ser::SerializeStruct::serialize_field(
-                    &mut __struct, #tag, #variant_name)?;
-                _serde::ser::SerializeStruct::end(__struct)
-            }
-        }
-        Style::Newtype => {
-            let field = &variant.fields[0];
-            let mut field_expr = quote!(__field0);
-            if let Some(path) = field.attrs.serialize_with() {
-                field_expr = wrap_serialize_field_with(params, field.ty, path, &field_expr);
-            }
-
-            let span = field.original.span();
-            let func = quote_spanned!(span=> _serde::__private::ser::serialize_tagged_newtype);
-            quote_expr! {
-                #func(
-                    __serializer,
-                    #enum_ident_str,
-                    #variant_ident_str,
-                    #tag,
-                    #variant_name,
-                    #field_expr,
-                )
-            }
-        }
-        Style::Struct => serialize_struct_variant(
-            StructVariant::InternallyTagged { tag, variant_name },
-            params,
-            &variant.fields,
-            type_name,
-        ),
-        Style::Tuple => unreachable!("checked in serde_derive_internals"),
-    }
-}
-
-fn serialize_adjacently_tagged_variant(
-    params: &Parameters,
-    variant: &Variant,
-    cattrs: &attr::Container,
-    variant_index: u32,
-    tag: &str,
-    content: &str,
-) -> Fragment {
-    let this_type = &params.this_type;
-    let type_name = cattrs.name().serialize_name();
-    let variant_name = variant.attrs.name().serialize_name();
-    let serialize_variant = quote! {
-        &_serde::__private::ser::AdjacentlyTaggedEnumVariant {
-            enum_name: #type_name,
-            variant_index: #variant_index,
-            variant_name: #variant_name,
-        }
-    };
-
-    let inner = Stmts(if let Some(path) = variant.attrs.serialize_with() {
-        let ser = wrap_serialize_variant_with(params, path, variant);
-        quote_expr! {
-            _serde::Serialize::serialize(#ser, __serializer)
-        }
-    } else {
-        match effective_style(variant) {
-            Style::Unit => {
-                return quote_block! {
-                    let mut __struct = _serde::Serializer::serialize_struct(
-                        __serializer, #type_name, 1)?;
-                    _serde::ser::SerializeStruct::serialize_field(
-                        &mut __struct, #tag, #serialize_variant)?;
-                    _serde::ser::SerializeStruct::end(__struct)
-                };
-            }
-            Style::Newtype => {
-                let field = &variant.fields[0];
-                let mut field_expr = quote!(__field0);
-                if let Some(path) = field.attrs.serialize_with() {
-                    field_expr = wrap_serialize_field_with(params, field.ty, path, &field_expr);
-                }
-
-                let span = field.original.span();
-                let func = quote_spanned!(span=> _serde::ser::SerializeStruct::serialize_field);
-                return quote_block! {
-                    let mut __struct = _serde::Serializer::serialize_struct(
-                        __serializer, #type_name, 2)?;
-                    _serde::ser::SerializeStruct::serialize_field(
-                        &mut __struct, #tag, #serialize_variant)?;
-                    #func(
-                        &mut __struct, #content, #field_expr)?;
-                    _serde::ser::SerializeStruct::end(__struct)
-                };
-            }
-            Style::Tuple => {
-                serialize_tuple_variant(TupleVariant::Untagged, params, &variant.fields)
-            }
-            Style::Struct => serialize_struct_variant(
-                StructVariant::Untagged,
-                params,
-                &variant.fields,
-                variant_name,
-            ),
-        }
-    });
-
-    let fields_ty = variant.fields.iter().map(|f| &f.ty);
-    let fields_ident: &[_] = &match variant.style {
-        Style::Unit => {
-            if variant.attrs.serialize_with().is_some() {
-                vec![]
-            } else {
-                unreachable!()
-            }
-        }
-        Style::Newtype => vec![Member::Named(Ident::new("__field0", Span::call_site()))],
-        Style::Tuple => (0..variant.fields.len())
-            .map(|i| Member::Named(Ident::new(&format!("__field{}", i), Span::call_site())))
-            .collect(),
-        Style::Struct => variant.fields.iter().map(|f| f.member.clone()).collect(),
-    };
-
-    let (_, ty_generics, where_clause) = params.generics.split_for_impl();
-
-    let wrapper_generics = if fields_ident.is_empty() {
-        params.generics.clone()
-    } else {
-        bound::with_lifetime_bound(&params.generics, "'__a")
-    };
-    let (wrapper_impl_generics, wrapper_ty_generics, _) = wrapper_generics.split_for_impl();
-
-    quote_block! {
-        #[doc(hidden)]
-        struct __AdjacentlyTagged #wrapper_generics #where_clause {
-            data: (#(&'__a #fields_ty,)*),
-            phantom: _serde::__private::PhantomData<#this_type #ty_generics>,
-        }
-
-        impl #wrapper_impl_generics _serde::Serialize for __AdjacentlyTagged #wrapper_ty_generics #where_clause {
-            fn serialize<__S>(&self, __serializer: __S) -> _serde::__private::Result<__S::Ok, __S::Error>
-            where
-                __S: _serde::Serializer,
-            {
-                // Elements that have skip_serializing will be unused.
-                #[allow(unused_variables)]
-                let (#(#fields_ident,)*) = self.data;
-                #inner
-            }
-        }
-
-        let mut __struct = _serde::Serializer::serialize_struct(
-            __serializer, #type_name, 2)?;
-        _serde::ser::SerializeStruct::serialize_field(
-            &mut __struct, #tag, #serialize_variant)?;
-        _serde::ser::SerializeStruct::serialize_field(
-            &mut __struct, #content, &__AdjacentlyTagged {
-                data: (#(#fields_ident,)*),
-                phantom: _serde::__private::PhantomData::<#this_type #ty_generics>,
-            })?;
-        _serde::ser::SerializeStruct::end(__struct)
-    }
-}
-
-fn serialize_untagged_variant(
-    params: &Parameters,
-    variant: &Variant,
-    cattrs: &attr::Container,
-) -> Fragment {
-    if let Some(path) = variant.attrs.serialize_with() {
-        let ser = wrap_serialize_variant_with(params, path, variant);
-        return quote_expr! {
-            _serde::Serialize::serialize(#ser, __serializer)
-        };
-    }
-
-    match effective_style(variant) {
-        Style::Unit => {
-            quote_expr! {
-                _serde::Serializer::serialize_unit(__serializer)
-            }
-        }
-        Style::Newtype => {
-            let field = &variant.fields[0];
-            let mut field_expr = quote!(__field0);
-            if let Some(path) = field.attrs.serialize_with() {
-                field_expr = wrap_serialize_field_with(params, field.ty, path, &field_expr);
-            }
-
-            let span = field.original.span();
-            let func = quote_spanned!(span=> _serde::Serialize::serialize);
-            quote_expr! {
-                #func(#field_expr, __serializer)
-            }
-        }
-        Style::Tuple => serialize_tuple_variant(TupleVariant::Untagged, params, &variant.fields),
-        Style::Struct => {
-            let type_name = cattrs.name().serialize_name();
-            serialize_struct_variant(StructVariant::Untagged, params, &variant.fields, type_name)
-        }
-    }
-}
-
-enum TupleVariant<'a> {
-    ExternallyTagged {
-        type_name: &'a str,
-        variant_index: u32,
-        variant_name: &'a str,
-    },
-    Untagged,
-}
-
-fn serialize_tuple_variant(
-    context: TupleVariant,
-    params: &Parameters,
-    fields: &[Field],
-) -> Fragment {
-    let tuple_trait = match context {
-        TupleVariant::ExternallyTagged { .. } => TupleTrait::SerializeTupleVariant,
-        TupleVariant::Untagged => TupleTrait::SerializeTuple,
-    };
-
-    let serialize_stmts = serialize_tuple_struct_visitor(fields, params, true, &tuple_trait);
-
-    let mut serialized_fields = fields
-        .iter()
-        .enumerate()
-        .filter(|(_, field)| !field.attrs.skip_serializing())
-        .peekable();
-
-    let let_mut = mut_if(serialized_fields.peek().is_some());
-
-    let len = serialized_fields
-        .map(|(i, field)| match field.attrs.skip_serializing_if() {
-            None => quote!(1),
-            Some(path) => {
-                let field_expr = Ident::new(&format!("__field{}", i), Span::call_site());
-                quote!(if #path(#field_expr) { 0 } else { 1 })
-            }
-        })
-        .fold(quote!(0), |sum, expr| quote!(#sum + #expr));
-
-    match context {
-        TupleVariant::ExternallyTagged {
-            type_name,
-            variant_index,
-            variant_name,
-        } => {
-            quote_block! {
-                let #let_mut __serde_state = _serde::Serializer::serialize_tuple_variant(
-                    __serializer,
-                    #type_name,
-                    #variant_index,
-                    #variant_name,
-                    #len)?;
-                #(#serialize_stmts)*
-                _serde::ser::SerializeTupleVariant::end(__serde_state)
-            }
-        }
-        TupleVariant::Untagged => {
-            quote_block! {
-                let #let_mut __serde_state = _serde::Serializer::serialize_tuple(
-                    __serializer,
-                    #len)?;
-                #(#serialize_stmts)*
-                _serde::ser::SerializeTuple::end(__serde_state)
-            }
-        }
-    }
-}
-
-enum StructVariant<'a> {
-    ExternallyTagged {
-        variant_index: u32,
-        variant_name: &'a str,
-    },
-    InternallyTagged {
-        tag: &'a str,
-        variant_name: &'a str,
-    },
-    Untagged,
-}
-
-fn serialize_struct_variant(
-    context: StructVariant,
-    params: &Parameters,
-    fields: &[Field],
-    name: &str,
-) -> Fragment {
-    if fields.iter().any(|field| field.attrs.flatten()) {
-        return serialize_struct_variant_with_flatten(context, params, fields, name);
-    }
-
-    let struct_trait = match context {
-        StructVariant::ExternallyTagged { .. } => StructTrait::SerializeStructVariant,
-        StructVariant::InternallyTagged { .. } | StructVariant::Untagged => {
-            StructTrait::SerializeStruct
-        }
-    };
-
-    let serialize_fields = serialize_struct_visitor(fields, params, true, &struct_trait);
-
-    let mut serialized_fields = fields
-        .iter()
-        .filter(|&field| !field.attrs.skip_serializing())
-        .peekable();
-
-    let let_mut = mut_if(serialized_fields.peek().is_some());
-
-    let len = serialized_fields
-        .map(|field| {
-            let member = &field.member;
-
-            match field.attrs.skip_serializing_if() {
-                Some(path) => quote!(if #path(#member) { 0 } else { 1 }),
-                None => quote!(1),
-            }
-        })
-        .fold(quote!(0), |sum, expr| quote!(#sum + #expr));
-
-    match context {
-        StructVariant::ExternallyTagged {
-            variant_index,
-            variant_name,
-        } => {
-            quote_block! {
-                let #let_mut __serde_state = _serde::Serializer::serialize_struct_variant(
-                    __serializer,
-                    #name,
-                    #variant_index,
-                    #variant_name,
-                    #len,
-                )?;
-                #(#serialize_fields)*
-                _serde::ser::SerializeStructVariant::end(__serde_state)
-            }
-        }
-        StructVariant::InternallyTagged { tag, variant_name } => {
-            quote_block! {
-                let mut __serde_state = _serde::Serializer::serialize_struct(
-                    __serializer,
-                    #name,
-                    #len + 1,
-                )?;
-                _serde::ser::SerializeStruct::serialize_field(
-                    &mut __serde_state,
-                    #tag,
-                    #variant_name,
-                )?;
-                #(#serialize_fields)*
-                _serde::ser::SerializeStruct::end(__serde_state)
-            }
-        }
-        StructVariant::Untagged => {
-            quote_block! {
-                let #let_mut __serde_state = _serde::Serializer::serialize_struct(
-                    __serializer,
-                    #name,
-                    #len,
-                )?;
-                #(#serialize_fields)*
-                _serde::ser::SerializeStruct::end(__serde_state)
-            }
-        }
-    }
-}
-
-fn serialize_struct_variant_with_flatten(
-    context: StructVariant,
-    params: &Parameters,
-    fields: &[Field],
-    name: &str,
-) -> Fragment {
-    let struct_trait = StructTrait::SerializeMap;
-    let serialize_fields = serialize_struct_visitor(fields, params, true, &struct_trait);
-
-    let mut serialized_fields = fields
-        .iter()
-        .filter(|&field| !field.attrs.skip_serializing())
-        .peekable();
-
-    let let_mut = mut_if(serialized_fields.peek().is_some());
-
-    match context {
-        StructVariant::ExternallyTagged {
-            variant_index,
-            variant_name,
-        } => {
-            let this_type = &params.this_type;
-            let fields_ty = fields.iter().map(|f| &f.ty);
-            let members = &fields.iter().map(|f| &f.member).collect::<Vec<_>>();
-
-            let (_, ty_generics, where_clause) = params.generics.split_for_impl();
-            let wrapper_generics = bound::with_lifetime_bound(&params.generics, "'__a");
-            let (wrapper_impl_generics, wrapper_ty_generics, _) = wrapper_generics.split_for_impl();
-
-            quote_block! {
-                #[doc(hidden)]
-                struct __EnumFlatten #wrapper_generics #where_clause {
-                    data: (#(&'__a #fields_ty,)*),
-                    phantom: _serde::__private::PhantomData<#this_type #ty_generics>,
-                }
-
-                impl #wrapper_impl_generics _serde::Serialize for __EnumFlatten #wrapper_ty_generics #where_clause {
-                    fn serialize<__S>(&self, __serializer: __S) -> _serde::__private::Result<__S::Ok, __S::Error>
-                    where
-                        __S: _serde::Serializer,
-                    {
-                        let (#(#members,)*) = self.data;
-                        let #let_mut __serde_state = _serde::Serializer::serialize_map(
-                            __serializer,
-                            _serde::__private::None)?;
-                        #(#serialize_fields)*
-                        _serde::ser::SerializeMap::end(__serde_state)
-                    }
-                }
-
-                _serde::Serializer::serialize_newtype_variant(
-                    __serializer,
-                    #name,
-                    #variant_index,
-                    #variant_name,
-                    &__EnumFlatten {
-                        data: (#(#members,)*),
-                        phantom: _serde::__private::PhantomData::<#this_type #ty_generics>,
-                    })
-            }
-        }
-        StructVariant::InternallyTagged { tag, variant_name } => {
-            quote_block! {
-                let #let_mut __serde_state = _serde::Serializer::serialize_map(
-                    __serializer,
-                    _serde::__private::None)?;
-                _serde::ser::SerializeMap::serialize_entry(
-                    &mut __serde_state,
-                    #tag,
-                    #variant_name,
-                )?;
-                #(#serialize_fields)*
-                _serde::ser::SerializeMap::end(__serde_state)
-            }
-        }
-        StructVariant::Untagged => {
-            quote_block! {
-                let #let_mut __serde_state = _serde::Serializer::serialize_map(
-                    __serializer,
-                    _serde::__private::None)?;
-                #(#serialize_fields)*
-                _serde::ser::SerializeMap::end(__serde_state)
-            }
-        }
-    }
-}
-
-fn serialize_tuple_struct_visitor(
-    fields: &[Field],
-    params: &Parameters,
-    is_enum: bool,
-    tuple_trait: &TupleTrait,
-) -> Vec<TokenStream> {
-    fields
-        .iter()
-        .enumerate()
-        .filter(|(_, field)| !field.attrs.skip_serializing())
-        .map(|(i, field)| {
-            let mut field_expr = if is_enum {
-                let id = Ident::new(&format!("__field{}", i), Span::call_site());
-                quote!(#id)
-            } else {
-                get_member(
-                    params,
-                    field,
-                    &Member::Unnamed(Index {
-                        index: i as u32,
-                        span: Span::call_site(),
-                    }),
-                )
-            };
-
-            let skip = field
-                .attrs
-                .skip_serializing_if()
-                .map(|path| quote!(#path(#field_expr)));
-
-            if let Some(path) = field.attrs.serialize_with() {
-                field_expr = wrap_serialize_field_with(params, field.ty, path, &field_expr);
-            }
-
-            let span = field.original.span();
-            let func = tuple_trait.serialize_element(span);
-            let ser = quote! {
-                #func(&mut __serde_state, #field_expr)?;
-            };
-
-            match skip {
-                None => ser,
-                Some(skip) => quote!(if !#skip { #ser }),
-            }
-        })
-        .collect()
-}
-
-fn serialize_struct_visitor(
-    fields: &[Field],
-    params: &Parameters,
-    is_enum: bool,
-    struct_trait: &StructTrait,
-) -> Vec<TokenStream> {
-    fields
-        .iter()
-        .filter(|&field| !field.attrs.skip_serializing())
-        .map(|field| {
-            let member = &field.member;
-
-            let mut field_expr = if is_enum {
-                quote!(#member)
-            } else {
-                get_member(params, field, member)
-            };
-
-            let key_expr = field.attrs.name().serialize_name();
-
-            let skip = field
-                .attrs
-                .skip_serializing_if()
-                .map(|path| quote!(#path(#field_expr)));
-
-            if let Some(path) = field.attrs.serialize_with() {
-                field_expr = wrap_serialize_field_with(params, field.ty, path, &field_expr);
-            }
-
-            let span = field.original.span();
-            let ser = if field.attrs.flatten() {
-                let func = quote_spanned!(span=> _serde::Serialize::serialize);
-                quote! {
-                    #func(&#field_expr, _serde::__private::ser::FlatMapSerializer(&mut __serde_state))?;
-                }
-            } else {
-                let func = struct_trait.serialize_field(span);
-                quote! {
-                    #func(&mut __serde_state, #key_expr, #field_expr)?;
-                }
-            };
-
-            match skip {
-                None => ser,
-                Some(skip) => {
-                    if let Some(skip_func) = struct_trait.skip_field(span) {
-                        quote! {
-                            if !#skip {
-                                #ser
-                            } else {
-                                #skip_func(&mut __serde_state, #key_expr)?;
-                            }
-                        }
-                    } else {
-                        quote! {
-                            if !#skip {
-                                #ser
-                            }
-                        }
-                    }
-                }
-            }
-        })
-        .collect()
-}
-
-fn wrap_serialize_field_with(
-    params: &Parameters,
-    field_ty: &syn::Type,
-    serialize_with: &syn::ExprPath,
-    field_expr: &TokenStream,
-) -> TokenStream {
-    wrap_serialize_with(params, serialize_with, &[field_ty], &[quote!(#field_expr)])
-}
-
-fn wrap_serialize_variant_with(
-    params: &Parameters,
-    serialize_with: &syn::ExprPath,
-    variant: &Variant,
-) -> TokenStream {
-    let field_tys: Vec<_> = variant.fields.iter().map(|field| field.ty).collect();
-    let field_exprs: Vec<_> = variant
-        .fields
-        .iter()
-        .map(|field| {
-            let id = match &field.member {
-                Member::Named(ident) => ident.clone(),
-                Member::Unnamed(member) => {
-                    Ident::new(&format!("__field{}", member.index), Span::call_site())
-                }
-            };
-            quote!(#id)
-        })
-        .collect();
-    wrap_serialize_with(
-        params,
-        serialize_with,
-        field_tys.as_slice(),
-        field_exprs.as_slice(),
-    )
-}
-
-fn wrap_serialize_with(
-    params: &Parameters,
-    serialize_with: &syn::ExprPath,
-    field_tys: &[&syn::Type],
-    field_exprs: &[TokenStream],
-) -> TokenStream {
-    let this_type = &params.this_type;
-    let (_, ty_generics, where_clause) = params.generics.split_for_impl();
-
-    let wrapper_generics = if field_exprs.is_empty() {
-        params.generics.clone()
-    } else {
-        bound::with_lifetime_bound(&params.generics, "'__a")
-    };
-    let (wrapper_impl_generics, wrapper_ty_generics, _) = wrapper_generics.split_for_impl();
-
-    let field_access = (0..field_exprs.len()).map(|n| {
-        Member::Unnamed(Index {
-            index: n as u32,
-            span: Span::call_site(),
-        })
-    });
-
-    quote!({
-        #[doc(hidden)]
-        struct __SerializeWith #wrapper_impl_generics #where_clause {
-            values: (#(&'__a #field_tys, )*),
-            phantom: _serde::__private::PhantomData<#this_type #ty_generics>,
-        }
-
-        impl #wrapper_impl_generics _serde::Serialize for __SerializeWith #wrapper_ty_generics #where_clause {
-            fn serialize<__S>(&self, __s: __S) -> _serde::__private::Result<__S::Ok, __S::Error>
-            where
-                __S: _serde::Serializer,
-            {
-                #serialize_with(#(self.values.#field_access, )* __s)
-            }
-        }
-
-        &__SerializeWith {
-            values: (#(#field_exprs, )*),
-            phantom: _serde::__private::PhantomData::<#this_type #ty_generics>,
-        }
-    })
-}
-
-// Serialization of an empty struct results in code like:
-//
-//     let mut __serde_state = serializer.serialize_struct("S", 0)?;
-//     _serde::ser::SerializeStruct::end(__serde_state)
-//
-// where we want to omit the `mut` to avoid a warning.
-fn mut_if(is_mut: bool) -> Option<TokenStream> {
-    if is_mut {
-        Some(quote!(mut))
-    } else {
-        None
-    }
-}
-
-fn get_member(params: &Parameters, field: &Field, member: &Member) -> TokenStream {
-    let self_var = &params.self_var;
-    match (params.is_remote, field.attrs.getter()) {
-        (false, None) => {
-            if params.is_packed {
-                quote!(&{#self_var.#member})
-            } else {
-                quote!(&#self_var.#member)
-            }
-        }
-        (true, None) => {
-            let inner = if params.is_packed {
-                quote!(&{#self_var.#member})
-            } else {
-                quote!(&#self_var.#member)
-            };
-            let ty = field.ty;
-            quote!(_serde::__private::ser::constrain::<#ty>(#inner))
-        }
-        (true, Some(getter)) => {
-            let ty = field.ty;
-            quote!(_serde::__private::ser::constrain::<#ty>(&#getter(#self_var)))
-        }
-        (false, Some(_)) => {
-            unreachable!("getter is only allowed for remote impls");
-        }
-    }
-}
-
-fn effective_style(variant: &Variant) -> Style {
-    match variant.style {
-        Style::Newtype if variant.fields[0].attrs.skip_serializing() => Style::Unit,
-        other => other,
-    }
-}
-
-enum StructTrait {
-    SerializeMap,
-    SerializeStruct,
-    SerializeStructVariant,
-}
-
-impl StructTrait {
-    fn serialize_field(&self, span: Span) -> TokenStream {
-        match *self {
-            StructTrait::SerializeMap => {
-                quote_spanned!(span=> _serde::ser::SerializeMap::serialize_entry)
-            }
-            StructTrait::SerializeStruct => {
-                quote_spanned!(span=> _serde::ser::SerializeStruct::serialize_field)
-            }
-            StructTrait::SerializeStructVariant => {
-                quote_spanned!(span=> _serde::ser::SerializeStructVariant::serialize_field)
-            }
-        }
-    }
-
-    fn skip_field(&self, span: Span) -> Option<TokenStream> {
-        match *self {
-            StructTrait::SerializeMap => None,
-            StructTrait::SerializeStruct => {
-                Some(quote_spanned!(span=> _serde::ser::SerializeStruct::skip_field))
-            }
-            StructTrait::SerializeStructVariant => {
-                Some(quote_spanned!(span=> _serde::ser::SerializeStructVariant::skip_field))
-            }
-        }
-    }
-}
-
-enum TupleTrait {
-    SerializeTuple,
-    SerializeTupleStruct,
-    SerializeTupleVariant,
-}
-
-impl TupleTrait {
-    fn serialize_element(&self, span: Span) -> TokenStream {
-        match *self {
-            TupleTrait::SerializeTuple => {
-                quote_spanned!(span=> _serde::ser::SerializeTuple::serialize_element)
-            }
-            TupleTrait::SerializeTupleStruct => {
-                quote_spanned!(span=> _serde::ser::SerializeTupleStruct::serialize_field)
-            }
-            TupleTrait::SerializeTupleVariant => {
-                quote_spanned!(span=> _serde::ser::SerializeTupleVariant::serialize_field)
-            }
-        }
-    }
-}