Function distinctUntilKeyChangedAsync

distinctUntilKeyChangedAsync<T, K extends string | number | symbol>(
key: K,
equalsFunction?: EqualsFunction<T[K]>,
): AsyncOperationFunction<T, T>
Returns an AsyncOperationFunction that yields only entries of the source Iterable without duplicates.
Type Parameters
- T
  The type of the elements in the source Iterable.
- K extends string | number | symbol
  The type of the key to use to compare the elements.
Parameters
- key: K
  The key to use to compare the elements.
- OptionalequalsFunction: EqualsFunction<T[K]>
  The function to use to compare the elements.
Returns AsyncOperationFunction<T, T>
An AsyncOperationFunction that yields only entries of the source Iterable without duplicates.
Example
```
const result = distinctUntilKeyChangedAsync<number>([1, 2, 2, 3], (a, b) => a === b);
console.log(result); // [1, 2, 3]
```
- Defined in operations/async/distinctUntilKeyChangedAsync.ts:46