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Returns an Int64 that represents the number of elements in a sequence.
This member is overloaded. For complete information about this member, including syntax, usage, and examples, click a name in the overload list.
|LongCount<TSource>(IEnumerable<TSource>)||Returns an Int64 that represents the total number of elements in a sequence.|
|LongCount<TSource>(IEnumerable<TSource>, Func<TSource, Boolean>)||Returns an Int64 that represents how many elements in a sequence satisfy a condition.|