ToLookupExtensionToLookupTKey, TValue(IEnumerableValueTupleTKey, TValue) Method
Creates a
LookupTKey, TElement from a sequence of
tuples of 2 where the first item is the key and the second the
value.
Namespace: MoreLinq.ExtensionsAssembly: MoreLinq (in MoreLinq.dll) Version: 4.1.0+0e154ef592f33ce0f6f3d534a9eedee273f0ce72
public static ILookup<TKey, TValue> ToLookup<TKey, TValue>(
this IEnumerable<(TKey , TValue )> source
)
<ExtensionAttribute>
Public Shared Function ToLookup(Of TKey, TValue) (
source As IEnumerable(Of ( As TKey, As TValue))
) As ILookup(Of TKey, TValue)
public:
[ExtensionAttribute]
generic<typename TKey, typename TValue>
static ILookup<TKey, TValue>^ ToLookup(
IEnumerable<ValueTuple<TKey, TValue>>^ source
)
[<ExtensionAttribute>]
static member ToLookup :
source : IEnumerable<ValueTuple<'TKey, 'TValue>> -> ILookup<'TKey, 'TValue>
- source IEnumerableValueTupleTKey, TValue
- The source sequence of tuples of 2.
- TKey
- The type of the key.
- TValue
- The type of the value.
ILookupTKey,
TValue
A
LookupTKey, TElement containing the values
mapped to their keys.
In Visual Basic and C#, you can call this method as an instance method on any object of type
IEnumerableValueTupleTKey,
TValue. When you use instance method syntax to call this method, omit the first parameter. For more information, see
Extension Methods (Visual Basic) or
Extension Methods (C# Programming Guide).