Function mapUniqueKeys

mapUniqueKeys<Key, Projection>(value, projection): value is Map<unknown, unknown>
Type Parameters
- Key
  The type of the map's keys.
- Projection
  The type returned by projection.
Parameters
- value: unknown
  The value to validate.
- projection: ((item: Key) => Projection)
  The function mapping each key to the value that is used for the uniqueness check.
  - - (item): Projection
    - Parameters
      item: Key
      Returns Projection
Returns value is Map<unknown, unknown>
- Defined in src/map/map-unique-keys/map-unique-keys.predicate.ts:10