Enumerable.ToLookup Method
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Creates a generic Lookup<TKey, TElement> from an IEnumerable<T>.
This member is overloaded. For complete information about this member, including syntax, usage, and examples, click a name in the overload list.
Overload List
Name | Description | |
---|---|---|
ToLookup<TSource, TKey>(IEnumerable<TSource>, Func<TSource, TKey>) | Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to a specified key selector function. | |
ToLookup<TSource, TKey>(IEnumerable<TSource>, Func<TSource, TKey>, IEqualityComparer<TKey>) | Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to a specified key selector function and key comparer. | |
ToLookup<TSource, TKey, TElement>(IEnumerable<TSource>, Func<TSource, TKey>, Func<TSource, TElement>) | Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to specified key selector and element selector functions. | |
ToLookup<TSource, TKey, TElement>(IEnumerable<TSource>, Func<TSource, TKey>, Func<TSource, TElement>, IEqualityComparer<TKey>) | Creates a Lookup<TKey, TElement> from an IEnumerable<T> according to a specified key selector function, a comparer and an element selector function. |
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