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Refer to Option through serde::export in generated code

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This commit is contained in:
David Tolnay
2019-02-28 16:35:29 -08:00
parent 94f152730c
commit 58bbaa9e80
2 changed files with 10 additions and 1 deletions
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serde_derive/src/de.rs
+3 -1
View File
@@ -2476,7 +2476,9 @@ fn deserialize_map(
let collected_deny_unknown_fields = if cattrs.has_flatten() && cattrs.deny_unknown_fields() { let collected_deny_unknown_fields = if cattrs.has_flatten() && cattrs.deny_unknown_fields() {
Some(quote! { Some(quote! {
if let _serde::export::Some(_serde::export::Some((__key, _))) = __collect.into_iter().filter(Option::is_some).next() { if let _serde::export::Some(_serde::export::Some((__key, _))) =
__collect.into_iter().filter(_serde::export::Option::is_some).next()
{
if let _serde::export::Some(__key) = __key.as_str() { if let _serde::export::Some(__key) = __key.as_str() {
return _serde::export::Err( return _serde::export::Err(
_serde::de::Error::custom(format_args!("unknown field `{}`", &__key))); _serde::de::Error::custom(format_args!("unknown field `{}`", &__key)));
test_suite/tests/test_gen.rs
+7
View File
@@ -522,6 +522,13 @@ fn test_gen() {
} }
assert::<FlattenWith>(); assert::<FlattenWith>();
#[derive(Serialize, Deserialize)]
#[serde(deny_unknown_fields)]
struct FlattenDenyUnknown<T> {
#[serde(flatten)]
t: T,
}
#[derive(Serialize, Deserialize)] #[derive(Serialize, Deserialize)]
struct StaticStrStruct<'a> { struct StaticStrStruct<'a> {
a: &'a str, a: &'a str,