MoreEnumerableToLookup Method | 
| Name | Description | |
|---|---|---|
| ToLookupTKey, TValue(IEnumerableKeyValuePairTKey, TValue) | 
            Creates a ILookupTKey, TElement from a sequence of
            KeyValuePairTKey, TValue elements.
              | |
| ToLookupTKey, TValue(IEnumerableValueTupleTKey, TValue) | 
            Creates a Lookup from a sequence of
            tuples of 2 where the first item is the key and the second the
            value.
              | |
| ToLookupTKey, TValue(IEnumerableKeyValuePairTKey, TValue, IEqualityComparerTKey) | 
            Creates a ILookupTKey, TElement from a sequence of
            KeyValuePairTKey, TValue elements. An additional
            parameter specifies a comparer for keys.
              | |
| ToLookupTKey, TValue(IEnumerableValueTupleTKey, TValue, IEqualityComparerTKey) | 
            Creates a Lookup from a sequence of
            tuples of 2 where the first item is the key and the second the
            value. An additional parameter specifies a comparer for keys.
              |