System\Linq\ParallelEnumerable.cs (4)
1004return new SelectManyQueryOperator<TSource, TResult, TResult>(source, selector, null, null);
1027return new SelectManyQueryOperator<TSource, TResult, TResult>(source, null, selector, null);
1058return new SelectManyQueryOperator<TSource, TCollection, TResult>(source, collectionSelector, null, resultSelector);
1094return new SelectManyQueryOperator<TSource, TCollection, TResult>(source, null, collectionSelector, resultSelector);