Uploaded May 2026 | Updated September 2026, 1 week ago
A small TypeScript pattern that often slips through reviews. You define a union, handle a couple of cases, and move on. Later, a new variant gets introduced. Nothing crashes immediately. But something is off. What happens when this function is called?
Check it out and share your answer in the comments.
Subscribe to Google for Developers → https://goo.gle/developers
Speakers: Marily Nika
A small TypeScript pattern that often slips through reviews. You define a union, handle a couple of cases, and move on. Later, a new variant gets introduced. Nothing crashes immediately. But something is off. What happens when this function is called?
Check it out and share your answer in the comments.
Subscribe to Google for Developers → https://goo.gle/developers
Speakers: Marily Nika










