AsyncEnumerable.Where Method (System.Linq) (original) (raw)

Definition

Namespace:

System.Linq

Assembly:

System.Linq.AsyncEnumerable.dll

Package:

System.Linq.AsyncEnumerable v10.0.0-preview.4.25258.110

Important

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Overloads

Where(IAsyncEnumerable, Func<TSource,Int32,CancellationToken,ValueTask>) Filters a sequence of values based on a predicate. Each element's index is used in the logic of the predicate function.
Where(IAsyncEnumerable, Func<TSource,CancellationToken,ValueTask>) Filters a sequence of values based on a predicate.
Where(IAsyncEnumerable, Func<TSource,Boolean>) Filters a sequence of values based on a predicate.
Where(IAsyncEnumerable, Func<TSource,Int32,Boolean>) Filters a sequence of values based on a predicate. Each element's index is used in the logic of the predicate function.

Where(IAsyncEnumerable, Func<TSource,Int32,CancellationToken,ValueTask>)

Source:

Where.cs

Filters a sequence of values based on a predicate. Each element's index is used in the logic of the predicate function.

public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
 static System::Collections::Generic::IAsyncEnumerable<TSource> ^ Where(System::Collections::Generic::IAsyncEnumerable<TSource> ^ source, Func<TSource, int, System::Threading::CancellationToken, System::Threading::Tasks::ValueTask<bool>> ^ predicate);
public static System.Collections.Generic.IAsyncEnumerable<TSource> Where<TSource>(this System.Collections.Generic.IAsyncEnumerable<TSource> source, Func<TSource,int,System.Threading.CancellationToken,System.Threading.Tasks.ValueTask<bool>> predicate);
static member Where : System.Collections.Generic.IAsyncEnumerable<'Source> * Func<'Source, int, System.Threading.CancellationToken, System.Threading.Tasks.ValueTask<bool>> -> System.Collections.Generic.IAsyncEnumerable<'Source>
<Extension()>
Public Function Where(Of TSource) (source As IAsyncEnumerable(Of TSource), predicate As Func(Of TSource, Integer, CancellationToken, ValueTask(Of Boolean))) As IAsyncEnumerable(Of TSource)

Type Parameters

TSource

The type of the elements of source.

Parameters

Returns

An IAsyncEnumerable that contains elements from the input sequence that satisfy the condition.

Exceptions

Applies to

Where(IAsyncEnumerable, Func<TSource,CancellationToken,ValueTask>)

Source:

Where.cs

Filters a sequence of values based on a predicate.

public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
 static System::Collections::Generic::IAsyncEnumerable<TSource> ^ Where(System::Collections::Generic::IAsyncEnumerable<TSource> ^ source, Func<TSource, System::Threading::CancellationToken, System::Threading::Tasks::ValueTask<bool>> ^ predicate);
public static System.Collections.Generic.IAsyncEnumerable<TSource> Where<TSource>(this System.Collections.Generic.IAsyncEnumerable<TSource> source, Func<TSource,System.Threading.CancellationToken,System.Threading.Tasks.ValueTask<bool>> predicate);
static member Where : System.Collections.Generic.IAsyncEnumerable<'Source> * Func<'Source, System.Threading.CancellationToken, System.Threading.Tasks.ValueTask<bool>> -> System.Collections.Generic.IAsyncEnumerable<'Source>
<Extension()>
Public Function Where(Of TSource) (source As IAsyncEnumerable(Of TSource), predicate As Func(Of TSource, CancellationToken, ValueTask(Of Boolean))) As IAsyncEnumerable(Of TSource)

Type Parameters

TSource

The type of the elements of source.

Parameters

Returns

An IAsyncEnumerable that contains elements from the input sequence that satisfy the condition.

Exceptions

Applies to

Where(IAsyncEnumerable, Func<TSource,Boolean>)

Source:

Where.cs

Filters a sequence of values based on a predicate.

public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
 static System::Collections::Generic::IAsyncEnumerable<TSource> ^ Where(System::Collections::Generic::IAsyncEnumerable<TSource> ^ source, Func<TSource, bool> ^ predicate);
public static System.Collections.Generic.IAsyncEnumerable<TSource> Where<TSource>(this System.Collections.Generic.IAsyncEnumerable<TSource> source, Func<TSource,bool> predicate);
static member Where : System.Collections.Generic.IAsyncEnumerable<'Source> * Func<'Source, bool> -> System.Collections.Generic.IAsyncEnumerable<'Source>
<Extension()>
Public Function Where(Of TSource) (source As IAsyncEnumerable(Of TSource), predicate As Func(Of TSource, Boolean)) As IAsyncEnumerable(Of TSource)

Type Parameters

TSource

The type of the elements of source.

Parameters

predicate

Func<TSource,Boolean>

A function to test each element for a condition.

Returns

An IAsyncEnumerable that contains elements from the input sequence that satisfy the condition.

Exceptions

Applies to

Where(IAsyncEnumerable, Func<TSource,Int32,Boolean>)

Source:

Where.cs

Filters a sequence of values based on a predicate. Each element's index is used in the logic of the predicate function.

public:
generic <typename TSource>
[System::Runtime::CompilerServices::Extension]
 static System::Collections::Generic::IAsyncEnumerable<TSource> ^ Where(System::Collections::Generic::IAsyncEnumerable<TSource> ^ source, Func<TSource, int, bool> ^ predicate);
public static System.Collections.Generic.IAsyncEnumerable<TSource> Where<TSource>(this System.Collections.Generic.IAsyncEnumerable<TSource> source, Func<TSource,int,bool> predicate);
static member Where : System.Collections.Generic.IAsyncEnumerable<'Source> * Func<'Source, int, bool> -> System.Collections.Generic.IAsyncEnumerable<'Source>
<Extension()>
Public Function Where(Of TSource) (source As IAsyncEnumerable(Of TSource), predicate As Func(Of TSource, Integer, Boolean)) As IAsyncEnumerable(Of TSource)

Type Parameters

TSource

The type of the elements of source.

Parameters

predicate

Func<TSource,Int32,Boolean>

A function to test each element for a condition; the second parameter of the function represents the index of the source element.

Returns

An IAsyncEnumerable that contains elements from the input sequence that satisfy the condition.

Exceptions

Applies to