MoreEnumerable.Aggregate<T, TAccumulate1, TAccumulate2, TAccumulate3, TAccumulate4, TResult>(IEnumerable<T>, TAccumulate1, Func<TAccumulate1, T, TAccumulate1>, TAccumulate2, Func<TAccumulate2, T, TAccumulate2>, TAccumulate3, Func<TAccumulate3, T, TAccumulate3>, TAccumulate4, Func<TAccumulate4, T, TAccumulate4>, Func<TAccumulate1, TAccumulate2, TAccumulate3, TAccumulate4, TResult>) Method

Applies four accumulators sequentially in a single pass over a sequence.

Definition

Namespace: MoreLinq
Assembly: MoreLinq (in MoreLinq.dll) Version: 4.4.0+6d97c3b1d482f98300f4446df14742b0e3fafbec

C#
public static TResult Aggregate<T, TAccumulate1, TAccumulate2, TAccumulate3, TAccumulate4, TResult>(
	this IEnumerable<T> source,
	TAccumulate1 seed1,
	Func<TAccumulate1, T, TAccumulate1> accumulator1,
	TAccumulate2 seed2,
	Func<TAccumulate2, T, TAccumulate2> accumulator2,
	TAccumulate3 seed3,
	Func<TAccumulate3, T, TAccumulate3> accumulator3,
	TAccumulate4 seed4,
	Func<TAccumulate4, T, TAccumulate4> accumulator4,
	Func<TAccumulate1, TAccumulate2, TAccumulate3, TAccumulate4, TResult> resultSelector
)

VB
<ExtensionAttribute>
Public Shared Function Aggregate(Of T, TAccumulate1, TAccumulate2, TAccumulate3, TAccumulate4, TResult) ( 
	source As IEnumerable(Of T),
	seed1 As TAccumulate1,
	accumulator1 As Func(Of TAccumulate1, T, TAccumulate1),
	seed2 As TAccumulate2,
	accumulator2 As Func(Of TAccumulate2, T, TAccumulate2),
	seed3 As TAccumulate3,
	accumulator3 As Func(Of TAccumulate3, T, TAccumulate3),
	seed4 As TAccumulate4,
	accumulator4 As Func(Of TAccumulate4, T, TAccumulate4),
	resultSelector As Func(Of TAccumulate1, TAccumulate2, TAccumulate3, TAccumulate4, TResult)
) As TResult

C++
public:
[ExtensionAttribute]
generic<typename T, typename TAccumulate1, typename TAccumulate2, typename TAccumulate3, typename TAccumulate4, typename TResult>
static TResult Aggregate(
	IEnumerable<T>^ source, 
	TAccumulate1 seed1, 
	Func<TAccumulate1, T, TAccumulate1>^ accumulator1, 
	TAccumulate2 seed2, 
	Func<TAccumulate2, T, TAccumulate2>^ accumulator2, 
	TAccumulate3 seed3, 
	Func<TAccumulate3, T, TAccumulate3>^ accumulator3, 
	TAccumulate4 seed4, 
	Func<TAccumulate4, T, TAccumulate4>^ accumulator4, 
	Func<TAccumulate1, TAccumulate2, TAccumulate3, TAccumulate4, TResult>^ resultSelector
)

F#
[<ExtensionAttribute>]
static member Aggregate : 
        source : IEnumerable<'T> * 
        seed1 : 'TAccumulate1 * 
        accumulator1 : Func<'TAccumulate1, 'T, 'TAccumulate1> * 
        seed2 : 'TAccumulate2 * 
        accumulator2 : Func<'TAccumulate2, 'T, 'TAccumulate2> * 
        seed3 : 'TAccumulate3 * 
        accumulator3 : Func<'TAccumulate3, 'T, 'TAccumulate3> * 
        seed4 : 'TAccumulate4 * 
        accumulator4 : Func<'TAccumulate4, 'T, 'TAccumulate4> * 
        resultSelector : Func<'TAccumulate1, 'TAccumulate2, 'TAccumulate3, 'TAccumulate4, 'TResult> -> 'TResult 

Parameters

source IEnumerable<T>: The source sequence
seed1 TAccumulate1: The seed value for the first accumulator.
accumulator1 Func<TAccumulate1, T, TAccumulate1>: The first accumulator.
seed2 TAccumulate2: The seed value for the second accumulator.
accumulator2 Func<TAccumulate2, T, TAccumulate2>: The second accumulator.
seed3 TAccumulate3: The seed value for the third accumulator.
accumulator3 Func<TAccumulate3, T, TAccumulate3>: The third accumulator.
seed4 TAccumulate4: The seed value for the fourth accumulator.
accumulator4 Func<TAccumulate4, T, TAccumulate4>: The fourth accumulator.
resultSelector Func<TAccumulate1, TAccumulate2, TAccumulate3, TAccumulate4, TResult>: A function that projects a single result given the result of each accumulator.

Type Parameters

T: The type of elements in source.
TAccumulate1: The type of first accumulator value.
TAccumulate2: The type of second accumulator value.
TAccumulate3: The type of third accumulator value.
TAccumulate4: The type of fourth accumulator value.
TResult: The type of the accumulated result.

Return Value

TResult
The value 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<T>. 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

This operator executes immediately.