#Rust #serde [[🦉serde-snippets]]の以下モジュールを使う。 - [separate_by_comma] - [option_separate_by_comma] [separate_by_comma]: https://github.com/tadashi-aikawa/serde-snippets/blob/main/src/separator.rs#L1 [option_separate_by_comma]: https://github.com/tadashi-aikawa/serde-snippets/blob/main/src/separator.rs#L23