René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Support additionnalProperties: false in OneOf","articleBody":" ~~If I have an openApi schema that has additionalProperties: false, and I send a request with extra fields, it should be refused.~~. \r\n\r\nAfter more research, I found out this is the job of the request validator. But It doesn't change what happens about OneOf.\r\n\r\nFor methods like AsSomeType() generated in case of a OneOf\r\n\r\nIs currently deserialized like this :\r\n```go\r\n        var body MyElement\r\n\terr := json.Unmarshal(t.union, &body)\r\n\treturn body, err\r\n```\r\n\r\nAnd it should be deserialized like this (if the target schema has additionalProperties set to false) : \r\n```go\r\n        var body MyElement\r\n\r\n\tdec := json.NewDecoder(bytes.NewReader(t.union))\r\n\tdec.DisallowUnknownFields()\r\n\terr := dec.Decode(&body)\r\n\t\r\n\treturn body, err\r\n```","author":{"url":"https://github.com/LelouBil","@type":"Person","name":"LelouBil"},"datePublished":"2022-07-07T14:01:43Z","url":"https://github.com/oapi-codegen/oapi-codegen/issues/668"}