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ParallelEnumerable::ToLookup Method
.NET Framework (current version)
Creates an ILookup<TKey, TElement> from a ParallelQuery<TSource>.
Assembly: System.Core (in System.Core.dll)
| Name | Description | |
|---|---|---|
  | ToLookup<TSource, TKey>(ParallelQuery<TSource>^, Func<TSource, TKey>^) | Creates an ILookup<TKey, TElement> from a ParallelQuery<TSource> according to a specified key selector function. |
| ToLookup<TSource, TKey>(ParallelQuery<TSource>^, Func<TSource, TKey>^, IEqualityComparer<TKey>^) | Creates an ILookup<TKey, TElement> from a ParallelQuery<TSource> according to a specified key selector function and key comparer. |
| ToLookup<TSource, TKey, TElement>(ParallelQuery<TSource>^, Func<TSource, TKey>^, Func<TSource, TElement>^) | Creates an ILookup<TKey, TElement> from a ParallelQuery<TSource> according to specified key selector and element selector functions. |
| ToLookup<TSource, TKey, TElement>(ParallelQuery<TSource>^, Func<TSource, TKey>^, Func<TSource, TElement>^, IEqualityComparer<TKey>^) | Creates an ILookup<TKey, TElement> from a ParallelQuery<TSource> according to a specified key selector function, a comparer and an element selector function. |
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