#Rust [[serde_lexpr]]を使う。 ```rust #[derive(Serialize, Deserialize, Debug, PartialEq)] enum Animal { Dog, #[serde(rename = "nyan")] Cat, } #[test] fn Variantをstringにserialize() { let expected = "nyan"; assert_eq!(expected, serde_lexpr::to_string(&Animal::Cat).unwrap()); } #[test] fn stringをVariantにdeserialize() { let expected = Animal::Cat; assert_eq!(expected, serde_lexpr::from_str("nyan").unwrap()); } ``` > [!question] [[serde_json]]でダメな理由は? > `serde_json::to_string`や`serde_json::from_str`を使うと、文字列の内側にダブルクォーテーションが必要になるため