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Inline deserialize_newtype_struct_in_place

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Mingun 2023-05-06 22:25:45 +05:00
parent 99fde4ee3e
commit cae1b43829
1 changed files with 13 additions and 20 deletions
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33
serde_derive/src/de.rs
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@ -610,7 +610,19 @@ fn deserialize_tuple_in_place(
let nfields = fields.len();
let visit_newtype_struct = if !is_enum && nfields == 1 {
Some(deserialize_newtype_struct_in_place(params, &fields[0]))
// We do not generate deserialize_in_place if every field has a
// deserialize_with.
assert!(fields[0].attrs.deserialize_with().is_none());
Some(quote! {
#[inline]
fn visit_newtype_struct<__E>(self, __e: __E) -> _serde::__private::Result<Self::Value, __E::Error>
where
__E: _serde::Deserializer<#delife>,
{
_serde::Deserialize::deserialize_in_place(__e, &mut self.place.0)
}
})
} else {
None
};
@ -918,25 +930,6 @@ fn deserialize_newtype_struct(
}
}
#[cfg(feature = "deserialize_in_place")]
fn deserialize_newtype_struct_in_place(params: &Parameters, field: &Field) -> TokenStream {
// We do not generate deserialize_in_place if every field has a
// deserialize_with.
assert!(field.attrs.deserialize_with().is_none());
let delife = params.borrowed.de_lifetime();
quote! {
#[inline]
fn visit_newtype_struct<__E>(self, __e: __E) -> _serde::__private::Result<Self::Value, __E::Error>
where
__E: _serde::Deserializer<#delife>,
{
_serde::Deserialize::deserialize_in_place(__e, &mut self.place.0)
}
}
}
enum StructForm<'a> {
Struct,
/// Contains a variant name