Function _distinct

_distinct<T>(src: Iterable<T>, setFactory?: SetFactory<T>): Iterable<T>
Yields only the first occurrence of each value from the source iterable.
Type Parameters
- T
  Element type produced by the source iterable.
Parameters
- src: Iterable<T>
  Source iterable enumerated for unique values.
- OptionalsetFactory: SetFactory<T>
  Optional factory supplying the set used to track seen values.
Returns Iterable<T>
A deferred iterable yielding each distinct value while preserving order.
Throws
Error Rethrows any error thrown by setFactory.
Example
```
const unique = [..._distinct([1, 1, 2, 3])];
console.log(unique); // [1, 2, 3]
```
or using the curried version:
```
const unique = [...pipeInto([1, 1, 2, 3], distinct())];
console.log(unique); // [1, 2, 3]
```
- Defined in src/transformers/distinct.ts:26