@chiba.dev on Bluesky

JavaScript RequiredThis is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is. Learn more about Bluesky at bsky.social and atproto.com.

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Tomofumi Chiba

chiba.dev

did:plc:zo3h3do4anh4o36twuwqixa7

Java にオプショナルチェーン演算子がないので | Leaves leaves.chiba.dev/posts/435

2026-07-06T09:16:16.927Z