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Remove dead code - serialize_struct_as_map always called when cattrs.has_flatten()==true

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Mingun 2024-08-11 19:22:47 +05:00
parent 005cb84593
commit 547d843cca
1 changed files with 1 additions and 19 deletions
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20
serde_derive/src/ser.rs
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@ -376,26 +376,8 @@ fn serialize_struct_as_map(
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)?;
let #let_mut __serde_state = _serde::Serializer::serialize_map(__serializer, _serde::__private::None)?;
#tag_field
#(#serialize_fields)*
_serde::ser::SerializeMap::end(__serde_state)