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Added support for borrowing when flattening

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Armin Ronacher
2018-03-20 15:19:36 +01:00
parent 695c3eedcb
commit e4ef087735
2 changed files with 119 additions and 2 deletions
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serde_derive/src/de.rs
+40 -2
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@@ -1875,7 +1875,9 @@ fn deserialize_identifier(
collect_other_fields: bool
) -> Fragment {
let field_strs = fields.iter().map(|&(ref name, _)| name);
let field_borrowed_strs = fields.iter().map(|&(ref name, _)| name);
let field_bytes = fields.iter().map(|&(ref name, _)| Literal::byte_string(name.as_bytes()));
let field_borrowed_bytes = fields.iter().map(|&(ref name, _)| Literal::byte_string(name.as_bytes()));
let constructors: &Vec<_> = &fields
.iter()
@@ -1997,15 +1999,22 @@ fn deserialize_identifier(
})
};
let (value_as_str_content, value_as_bytes_content) = if !collect_other_fields {
(None, None)
let (value_as_str_content, value_as_borrowed_str_content,
value_as_bytes_content, value_as_borrowed_bytes_content) = if !collect_other_fields {
(None, None, None, None)
} else {
(
Some(quote! {
let __value = _serde::private::de::Content::String(__value.to_string());
}),
Some(quote! {
let __value = _serde::private::de::Content::Str(__value);
}),
Some(quote! {
let __value = _serde::private::de::Content::ByteBuf(__value.to_vec());
}),
Some(quote! {
let __value = _serde::private::de::Content::Bytes(__value);
})
)
};
@@ -2043,6 +2052,35 @@ fn deserialize_identifier(
}
}
fn visit_borrowed_str<__E>(self, __value: &'de str) -> _serde::export::Result<Self::Value, __E>
where __E: _serde::de::Error
{
match __value {
#(
#field_borrowed_strs => _serde::export::Ok(#constructors),
)*
_ => {
#value_as_borrowed_str_content
#fallthrough_arm
}
}
}
fn visit_borrowed_bytes<__E>(self, __value: &'de [u8]) -> _serde::export::Result<Self::Value, __E>
where __E: _serde::de::Error
{
match __value {
#(
#field_borrowed_bytes => _serde::export::Ok(#constructors),
)*
_ => {
#bytes_to_str
#value_as_borrowed_bytes_content
#fallthrough_arm
}
}
}
fn visit_bytes<__E>(self, __value: &[u8]) -> _serde::export::Result<Self::Value, __E>
where __E: _serde::de::Error
{