All challenges
Multiple ChoiceIntermediate 180s

[TypeScript] Exhaustive Type combinators

switch with never default ensures all cases.
Options
  1. 1Generics
  2. 2Utility types
  3. 3Union/Intersection
  4. 4Type narrowing

Think you can answer under pressure?

Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.

Play this in a 3-minute battle