Methods
- Contains(`0) Determines whether a specified key exists in the ILookup`2 .
ILookup`2 Interface
Defines an indexer, size property, and Boolean search method for data structures that map keys to IEnumerable`1 sequences of values.
- TKey
- The type of the keys in the ILookup`2 .
- TElement
- The type of the elements in the IEnumerable`1 sequences that make up the values in the ILookup`2 .
Implements Interfaces
| System.Collections.Generic.IEnumerable<System.Linq.IGrouping<`0,`1>> | |
| System.Collections.IEnumerable |
- System.Collections.Generic.IEnumerable<System.Linq.IGrouping<`0,`1>>
- System.Collections.IEnumerable