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Clarify that bytes.uuid checks length only #534

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Merged
timostamm merged 1 commit into from
Sep 23, 2026
Merged

Clarify that bytes.uuid checks length only #534

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10 changes: 6 additions & 4 deletions proto/protovalidate/buf/validate/validate.proto
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Original file line number Diff line number Diff line change
Expand Up @@ -4124,10 +4124,12 @@ message BytesRules {
}
];

// `uuid` ensures that the field value encodes 128-bit UUID data as defined
// by [RFC 4122](https://datatracker.ietf.org/doc/html/rfc4122#section-4.1.2).
// The field must contain exactly 16 bytes representing the UUID. If the
// field value isn't a valid UUID, an error message will be generated.
// `uuid` ensures that the field `value` is exactly 16 bytes long,
// the size of a UUID in binary form as defined by
// [RFC 9562](https://datatracker.ietf.org/doc/html/rfc9562#section-4).
// Only the length is enforced: the version and variant fields
// are not checked, and any 16 bytes are accepted.
// If the field value doesn't meet this rule, an error message is generated.
//
// ```proto
// message MyBytes {
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10 changes: 6 additions & 4 deletions tools/internal/gen/buf/validate/validate.pb.go
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