Indexed Access Types
Indexed access types extract the type of a specific property from an object type using bracket notation.
Indexed Access Types
Output
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Syntax:
T[K] extracts the type
of property K from type TCommon Use Cases
- Extract property types: Get specific field types
- Nested access: Access deep property types
- Union access: Get multiple property types
Best Practice: Use indexed access to avoid
duplicating property type definitions.
Summary
T[K]extracts property type- Works with nested properties
- Can access multiple properties with union
- Type-safe property type extraction
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