Type Signature · #39 · 2026-05-13
What is type `R`?
TypeScript ·Difficulty 2/3
How to play
Read the TypeScript snippet and pick the correct type from four choices. Think about inference, narrowing, and utility types. Press 1–4 or click to answer.
type R = Awaited<Promise<Promise<number>>>;
Loading your progress...
Press 1 through 4, or tap a numbered choice, to answer. Back to hub