| MoreEnumerable.CountBy Method |
Overload List| Name | Description | |
|---|---|---|
  | CountBy<TSource, TKey>(IEnumerable<TSource>, Func<TSource, TKey>) |
Applies a key-generating function to each element of a sequence and returns a sequence of
unique keys and their number of occurrences in the original sequence.
|
| CountBy<TSource, TKey>(IEnumerable<TSource>, Func<TSource, TKey>, IEqualityComparer<TKey>) |
Applies a key-generating function to each element of a sequence and returns a sequence of
unique keys and their number of occurrences in the original sequence.
An additional argument specifies a comparer to use for testing equivalence of keys.
|
See Also