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Treat unmatched non-exhaustive remote variant as serde(skip)

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This commit is contained in:
David Tolnay
2023-08-13 21:14:33 -07:00
parent cb490ec16d
commit 8d3a03288b
4 changed files with 30 additions and 1 deletions
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serde_derive/src/ser.rs
+7 -1
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@@ -401,7 +401,7 @@ fn serialize_enum(params: &Parameters, variants: &[Variant], cattrs: &attr::Cont
let self_var = &params.self_var;
let arms: Vec<_> = variants
let mut arms: Vec<_> = variants
.iter()
.enumerate()
.map(|(variant_index, variant)| {
@@ -409,6 +409,12 @@ fn serialize_enum(params: &Parameters, variants: &[Variant], cattrs: &attr::Cont
})
.collect();
if cattrs.non_exhaustive() {
arms.push(quote! {
unrecognized => _serde::__private::Err(_serde::ser::Error::custom(_serde::__private::ser::CannotSerializeVariant(unrecognized))),
});
}
quote_expr! {
match *#self_var {
#(#arms)*