DistinctByExtension Methods | 
| Name | Description | |
|---|---|---|
| DistinctByTSource, TKey(IEnumerableTSource, FuncTSource, TKey) | 
            Returns all distinct elements of the given source, where "distinctness"
            is determined via a projection and the default equality comparer for the projected type.
              | |
| DistinctByTSource, TKey(IEnumerableTSource, FuncTSource, TKey, IEqualityComparerTKey) | 
            Returns all distinct elements of the given source, where "distinctness"
            is determined via a projection and the specified comparer for the projected type.
              |