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

Definition

Namespace:

Assembly:

System.Linq.AsyncEnumerable.dll

Package:

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

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Overloads

AllAsync(IAsyncEnumerable, Func<TSource,Boolean>, CancellationToken)

Source:

AllAsync.cs

Determines whether all elements of a sequence satisfy a condition.

public static System.Threading.Tasks.ValueTask<bool> AllAsync<TSource>(this System.Collections.Generic.IAsyncEnumerable<TSource> source, Func<TSource,bool> predicate, System.Threading.CancellationToken cancellationToken = default);

static member AllAsync : System.Collections.Generic.IAsyncEnumerable<'Source> * Func<'Source, bool> * System.Threading.CancellationToken -> System.Threading.Tasks.ValueTask<bool>

<Extension()>
Public Function AllAsync(Of TSource) (source As IAsyncEnumerable(Of TSource), predicate As Func(Of TSource, Boolean), Optional cancellationToken As CancellationToken = Nothing) As ValueTask(Of Boolean)

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

true if every element of the source sequence passes the test in the specified predicate, or if the sequence is empty; otherwise, false.

Exceptions

Applies to

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