MoveNext() [1/2]

override bool System.Linq.Parallel.GroupByQueryOperatorEnumerator< TSource, TGroupKey, TElement, TOrderKey >.MoveNext ( [AllowNull] ref IGrouping< TGroupKey, TElement > currentElement, [AllowNull] ref TOrderKey currentKey )

inlinepackage

Definition at line 31 of file GroupByQueryOperatorEnumerator.cs.

    {
        Mutables mutables = _mutables;
        if (mutables == null)
        {
            mutables = (_mutables = new Mutables());
            mutables._hashLookup = BuildHashLookup();
            mutables._hashLookupIndex = -1;
        }
        if (++mutables._hashLookupIndex < mutables._hashLookup.Count)
        {
            currentElement = new GroupByGrouping<TGroupKey, TElement>(mutables._hashLookup[mutables._hashLookupIndex]);
            return true;
        }
        return false;
    }

References System.Linq.Parallel.GroupByQueryOperatorEnumerator< TSource, TGroupKey, TElement, TOrderKey >._mutables, System.Linq.Parallel.GroupByQueryOperatorEnumerator< TSource, TGroupKey, TElement, TOrderKey >.BuildHashLookup(), and System.Collections.Generic.Dictionary< TKey, TValue >.Count.