Enumerable.AggregateBy Methode

Referenz

Definition

Namespace:: System.Linq

Assembly:: System.Linq.dll

Wichtig

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Überlädt

AggregateBy<TSource,TKey,TAccumulate>(IEnumerable<TSource>, Func<TSource, TKey>, Func<TKey,TAccumulate>, Func<TAccumulate,TSource,TAccumulate>, IEqualityComparer<TKey>)
AggregateBy<TSource,TKey,TAccumulate>(IEnumerable<TSource>, Func<TSource, TKey>, TAccumulate, Func<TAccumulate,TSource,TAccumulate>, IEqualityComparer<TKey>)

AggregateBy<TSource,TKey,TAccumulate>(IEnumerable<TSource>, Func<TSource, TKey>, Func<TKey,TAccumulate>, Func<TAccumulate,TSource,TAccumulate>, IEqualityComparer<TKey>)

Quelle:: AggregateBy.cs

public static System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<TKey,TAccumulate>> AggregateBy<TSource,TKey,TAccumulate> (this System.Collections.Generic.IEnumerable<TSource> source, Func<TSource,TKey> keySelector, Func<TKey,TAccumulate> seedSelector, Func<TAccumulate,TSource,TAccumulate> func, System.Collections.Generic.IEqualityComparer<TKey>? keyComparer = default);

static member AggregateBy : seq<'Source> * Func<'Source, 'Key> * Func<'Key, 'Accumulate> * Func<'Accumulate, 'Source, 'Accumulate> * System.Collections.Generic.IEqualityComparer<'Key> -> seq<System.Collections.Generic.KeyValuePair<'Key, 'Accumulate>>

<Extension()>
Public Function AggregateBy(Of TSource, TKey, TAccumulate) (source As IEnumerable(Of TSource), keySelector As Func(Of TSource, TKey), seedSelector As Func(Of TKey, TAccumulate), func As Func(Of TAccumulate, TSource, TAccumulate), Optional keyComparer As IEqualityComparer(Of TKey) = Nothing) As IEnumerable(Of KeyValuePair(Of TKey, TAccumulate))

Typparameter

TSource

TKey

TAccumulate

Parameter

source: IEnumerable<TSource>

keySelector: Func<TSource,TKey>

seedSelector: Func<TKey,TAccumulate>

func: Func<TAccumulate,TSource,TAccumulate>

keyComparer: IEqualityComparer<TKey>

Gibt zurück

IEnumerable<KeyValuePair<TKey,TAccumulate>>

Gilt für:

.NET 9

Produkt	Versionen
.NET	9

AggregateBy<TSource,TKey,TAccumulate>(IEnumerable<TSource>, Func<TSource, TKey>, TAccumulate, Func<TAccumulate,TSource,TAccumulate>, IEqualityComparer<TKey>)

Quelle:: AggregateBy.cs

public static System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<TKey,TAccumulate>> AggregateBy<TSource,TKey,TAccumulate> (this System.Collections.Generic.IEnumerable<TSource> source, Func<TSource,TKey> keySelector, TAccumulate seed, Func<TAccumulate,TSource,TAccumulate> func, System.Collections.Generic.IEqualityComparer<TKey>? keyComparer = default);

static member AggregateBy : seq<'Source> * Func<'Source, 'Key> * 'Accumulate * Func<'Accumulate, 'Source, 'Accumulate> * System.Collections.Generic.IEqualityComparer<'Key> -> seq<System.Collections.Generic.KeyValuePair<'Key, 'Accumulate>>

<Extension()>
Public Function AggregateBy(Of TSource, TKey, TAccumulate) (source As IEnumerable(Of TSource), keySelector As Func(Of TSource, TKey), seed As TAccumulate, func As Func(Of TAccumulate, TSource, TAccumulate), Optional keyComparer As IEqualityComparer(Of TKey) = Nothing) As IEnumerable(Of KeyValuePair(Of TKey, TAccumulate))

Typparameter

TSource

TKey

TAccumulate

Parameter

source: IEnumerable<TSource>

keySelector: Func<TSource,TKey>

seed: TAccumulate

func: Func<TAccumulate,TSource,TAccumulate>

keyComparer: IEqualityComparer<TKey>

Gibt zurück

IEnumerable<KeyValuePair<TKey,TAccumulate>>

Gilt für:

.NET 9

Produkt	Versionen
.NET	9

Teilen über

Enumerable.AggregateBy Methode

Definition

Überlädt

AggregateBy<TSource,TKey,TAccumulate>(IEnumerable<TSource>, Func<TSource, TKey>, Func<TKey,TAccumulate>, Func<TAccumulate,TSource,TAccumulate>, IEqualityComparer<TKey>)

Typparameter

Parameter

Gibt zurück

Gilt für:

AggregateBy<TSource,TKey,TAccumulate>(IEnumerable<TSource>, Func<TSource, TKey>, TAccumulate, Func<TAccumulate,TSource,TAccumulate>, IEqualityComparer<TKey>)

Typparameter

Parameter

Gibt zurück

Gilt für:

Zusätzliche Ressourcen