CartesianExtension.Cartesian<T1, T2, T3, T4, T5, T6, T7, TResult>(IEnumerable<T1>, IEnumerable<T2>, IEnumerable<T3>, IEnumerable<T4>, IEnumerable<T5>, IEnumerable<T6>, IEnumerable<T7>, Func<T1, T2, T3, T4, T5, T6, T7, TResult>) Method

Returns the Cartesian product of seven sequences by enumerating all possible combinations of one item from each sequence, and applying a user-defined projection to the items in a given combination.

Definition

Namespace: MoreLinq.Extensions
Assembly: MoreLinq (in MoreLinq.dll) Version: 3.4.0+b99a6a8cc504caf2d48372fe54a2f8116c59cd0c

C#
public static IEnumerable<TResult> Cartesian<T1, T2, T3, T4, T5, T6, T7, TResult>(
	this IEnumerable<T1> first,
	IEnumerable<T2> second,
	IEnumerable<T3> third,
	IEnumerable<T4> fourth,
	IEnumerable<T5> fifth,
	IEnumerable<T6> sixth,
	IEnumerable<T7> seventh,
	Func<T1, T2, T3, T4, T5, T6, T7, TResult> resultSelector
)

VB
<ExtensionAttribute>
Public Shared Function Cartesian(Of T1, T2, T3, T4, T5, T6, T7, TResult) ( 
	first As IEnumerable(Of T1),
	second As IEnumerable(Of T2),
	third As IEnumerable(Of T3),
	fourth As IEnumerable(Of T4),
	fifth As IEnumerable(Of T5),
	sixth As IEnumerable(Of T6),
	seventh As IEnumerable(Of T7),
	resultSelector As Func(Of T1, T2, T3, T4, T5, T6, T7, TResult)
) As IEnumerable(Of TResult)

C++
public:
[ExtensionAttribute]
generic<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename TResult>
static IEnumerable<TResult>^ Cartesian(
	IEnumerable<T1>^ first, 
	IEnumerable<T2>^ second, 
	IEnumerable<T3>^ third, 
	IEnumerable<T4>^ fourth, 
	IEnumerable<T5>^ fifth, 
	IEnumerable<T6>^ sixth, 
	IEnumerable<T7>^ seventh, 
	Func<T1, T2, T3, T4, T5, T6, T7, TResult>^ resultSelector
)

F#
[<ExtensionAttribute>]
static member Cartesian : 
        first : IEnumerable<'T1> * 
        second : IEnumerable<'T2> * 
        third : IEnumerable<'T3> * 
        fourth : IEnumerable<'T4> * 
        fifth : IEnumerable<'T5> * 
        sixth : IEnumerable<'T6> * 
        seventh : IEnumerable<'T7> * 
        resultSelector : Func<'T1, 'T2, 'T3, 'T4, 'T5, 'T6, 'T7, 'TResult> -> IEnumerable<'TResult> 

Parameters

first IEnumerable<T1>: The first sequence of elements.
second IEnumerable<T2>: The second sequence of elements.
third IEnumerable<T3>: The third sequence of elements.
fourth IEnumerable<T4>: The fourth sequence of elements.
fifth IEnumerable<T5>: The fifth sequence of elements.
sixth IEnumerable<T6>: The sixth sequence of elements.
seventh IEnumerable<T7>: The seventh sequence of elements.
resultSelector Func<T1, T2, T3, T4, T5, T6, T7, TResult>: A projection function that combines elements from all of the sequences.

Type Parameters

T1: The type of the elements of first.
T2: The type of the elements of second.
T3: The type of the elements of third.
T4: The type of the elements of fourth.
T5: The type of the elements of fifth.
T6: The type of the elements of sixth.
T7: The type of the elements of seventh.
TResult: The type of the elements of the result sequence.

Return Value

IEnumerable<TResult>
A sequence of elements returned by resultSelector.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerable<T1>. 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).

Remarks

The method returns items in the same order as a nested foreach loop, but all sequences except for first are cached when iterated over. The cache is then re-used for any subsequent iterations.

This method uses deferred execution and stream its results.