IAsyncEnumerable<T> Interface

Reference

Definition

Namespace:: System.Collections.Generic

Assemblies:: netstandard.dll, System.Runtime.dll

Assembly:: System.Runtime.dll

Assembly:: Microsoft.Bcl.AsyncInterfaces.dll

Assembly:: netstandard.dll

Package:: Microsoft.Bcl.AsyncInterfaces v10.0.0-preview.1.25080.5

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Exposes an enumerator that provides asynchronous iteration over values of a specified type.

generic <typename T>
public interface class IAsyncEnumerable

public interface IAsyncEnumerable<out T>

type IAsyncEnumerable<'T> = interface

Public Interface IAsyncEnumerable(Of Out T)

Type Parameters

T

The type of values to enumerate.

This type parameter is covariant. That is, you can use either the type you specified or any type that is more derived. For more information about covariance and contravariance, see Covariance and Contravariance in Generics.

Derived: System.Linq.IOrderedAsyncEnumerable<TElement>

Methods

GetAsyncEnumerator(CancellationToken)

Returns an enumerator that iterates asynchronously through the collection.

Extension Methods

AggregateAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,TSource,TSource>, CancellationToken)	Applies an accumulator function over a sequence.
AggregateAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,TSource,CancellationToken,ValueTask<TSource>>, CancellationToken)	Applies an accumulator function over a sequence.
AggregateAsync<TSource,TAccumulate>(IAsyncEnumerable<TSource>, TAccumulate, Func<TAccumulate,TSource,TAccumulate>, CancellationToken)	Applies an accumulator function over a sequence. The specified seed value is used as the initial accumulator value.
AggregateAsync<TSource,TAccumulate>(IAsyncEnumerable<TSource>, TAccumulate, Func<TAccumulate,TSource,CancellationToken,ValueTask<TAccumulate>>, CancellationToken)	Applies an accumulator function over a sequence. The specified seed value is used as the initial accumulator value.
AggregateAsync<TSource,TAccumulate,TResult>(IAsyncEnumerable<TSource>, TAccumulate, Func<TAccumulate,TSource,TAccumulate>, Func<TAccumulate, TResult>, CancellationToken)	Applies an accumulator function over a sequence. The specified seed value is used as the initial accumulator value, and the specified function is used to select the result value.
AggregateAsync<TSource,TAccumulate,TResult>(IAsyncEnumerable<TSource>, TAccumulate, Func<TAccumulate,TSource,CancellationToken,ValueTask<TAccumulate>>, Func<TAccumulate,CancellationToken,ValueTask<TResult>>, CancellationToken)	Applies an accumulator function over a sequence. The specified seed value is used as the initial accumulator value, and the specified function is used to select the result value.
AggregateBy<TSource,TKey,TAccumulate>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, TAccumulate, Func<TAccumulate,TSource,TAccumulate>, IEqualityComparer<TKey>)	Applies an accumulator function over a sequence, grouping results by key.
AggregateBy<TSource,TKey,TAccumulate>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, Func<TKey,TAccumulate>, Func<TAccumulate, TSource,TAccumulate>, IEqualityComparer<TKey>)	Applies an accumulator function over a sequence, grouping results by key.
AggregateBy<TSource,TKey,TAccumulate>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, TAccumulate, Func<TAccumulate,TSource,CancellationToken,ValueTask<TAccumulate>>, IEqualityComparer<TKey>)	Applies an accumulator function over a sequence, grouping results by key.
AggregateBy<TSource,TKey,TAccumulate>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, Func<TKey,CancellationToken, ValueTask<TAccumulate>>, Func<TAccumulate,TSource,CancellationToken, ValueTask<TAccumulate>>, IEqualityComparer<TKey>)	Applies an accumulator function over a sequence, grouping results by key.
AllAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>, CancellationToken)	Determines whether all elements of a sequence satisfy a condition.
AllAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>, CancellationToken)	Determines whether all elements of a sequence satisfy a condition.
AnyAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>, CancellationToken)	Determines whether any element of a sequence satisfies a condition.
AnyAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>, CancellationToken)	Determines whether any element of a sequence satisfies a condition.
AnyAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Determines whether a sequence contains any elements.
Append<TSource>(IAsyncEnumerable<TSource>, TSource)	Appends a value to the end of the sequence.
Chunk<TSource>(IAsyncEnumerable<TSource>, Int32)	Split the elements of a sequence into chunks of size at most `size`.
Concat<TSource>(IAsyncEnumerable<TSource>, IAsyncEnumerable<TSource>)	Concatenates two sequences.
ContainsAsync<TSource>(IAsyncEnumerable<TSource>, TSource, IEqualityComparer<TSource>, CancellationToken)	Determines whether a sequence contains a specified element.
CountAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>, CancellationToken)	Returns the number of elements in a sequence satisfy a condition.
CountAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>, CancellationToken)	Returns the number of elements in a sequence satisfy a condition.
CountAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Returns the number of elements in a sequence.
CountBy<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Returns the count of elements in the source sequence grouped by key.
CountBy<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, IEqualityComparer<TKey>)	Returns the count of elements in the source sequence grouped by key.
DefaultIfEmpty<TSource>(IAsyncEnumerable<TSource>, TSource)	Returns the elements of the specified sequence or the specified value if the sequence is empty.
DefaultIfEmpty<TSource>(IAsyncEnumerable<TSource>)	Returns the elements of the specified sequence or the type parameter's default if the sequence is empty.
Distinct<TSource>(IAsyncEnumerable<TSource>, IEqualityComparer<TSource>)	Returns distinct elements from a sequence.
DistinctBy<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Returns distinct elements from a sequence according to a specified key selector function.
DistinctBy<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, IEqualityComparer<TKey>)	Returns distinct elements from a sequence according to a specified key selector function.
ElementAtAsync<TSource>(IAsyncEnumerable<TSource>, Index, CancellationToken)	Returns the element at a specified index in a sequence.
ElementAtAsync<TSource>(IAsyncEnumerable<TSource>, Int32, CancellationToken)	Returns the element at a specified index in a sequence.
ElementAtOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, Index, CancellationToken)	Returns the element at a specified index in a sequence or a default value if the index is out of range.
ElementAtOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, Int32, CancellationToken)	Returns the element at a specified index in a sequence, or a default value if the index is out of range.
Except<TSource>(IAsyncEnumerable<TSource>, IAsyncEnumerable<TSource>, IEqualityComparer<TSource>)	Produces the set difference of two sequences.
ExceptBy<TSource,TKey>(IAsyncEnumerable<TSource>, IAsyncEnumerable<TKey>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Produces the set difference of two sequences according to a specified key selector function.
ExceptBy<TSource,TKey>(IAsyncEnumerable<TSource>, IAsyncEnumerable<TKey>, Func<TSource,CancellationToken,ValueTask<TKey>>, IEqualityComparer<TKey>)	Produces the set difference of two sequences according to a specified key selector function.
FirstAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>, CancellationToken)	Returns the first element in a sequence that satisfies a specified condition.
FirstAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>, CancellationToken)	Returns the first element in a sequence that satisfies a specified condition.
FirstAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Returns the first element of a sequence.
FirstOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, TSource, CancellationToken)	Returns the first element of a sequence, or a default value if the sequence contains no elements.
FirstOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>, TSource, CancellationToken)	Returns the first element of the sequence that satisfies a condition or a default value if no such element is found.
FirstOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>, CancellationToken)	Returns the first element of the sequence that satisfies a condition or a default value if no such element is found.
FirstOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>, TSource, CancellationToken)	Returns the first element of the sequence that satisfies a condition or a default value if no such element is found.
FirstOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>, CancellationToken)	Returns the first element of the sequence that satisfies a condition or a default value if no such element is found.
FirstOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Returns the first element of a sequence, or the default value of `TSource` if the sequence contains no elements.
GroupBy<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Groups the elements of a sequence according to a specified key selector function.
GroupBy<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, IEqualityComparer<TKey>)	Groups the elements of a sequence according to a specified key selector function.
GroupBy<TSource,TKey,TElement>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>, IEqualityComparer<TKey>)	Groups the elements of a sequence according to a key selector function. The keys are compared by using a comparer and each group's elements are projected by using a specified function.
GroupBy<TSource,TKey,TResult>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, Func<TKey,IEnumerable<TSource>,TResult>, IEqualityComparer<TKey>)	Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key.
GroupBy<TSource,TKey,TElement>(IAsyncEnumerable<TSource>, Func<TSource, CancellationToken,ValueTask<TKey>>, Func<TSource,CancellationToken, ValueTask<TElement>>, IEqualityComparer<TKey>)	Groups the elements of a sequence according to a key selector function. The keys are compared by using a comparer and each group's elements are projected by using a specified function.
GroupBy<TSource,TKey,TResult>(IAsyncEnumerable<TSource>, Func<TSource, CancellationToken,ValueTask<TKey>>, Func<TKey,IEnumerable<TSource>, CancellationToken,ValueTask<TResult>>, IEqualityComparer<TKey>)	Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key.
GroupBy<TSource,TKey,TElement,TResult>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>, Func<TKey,IEnumerable<TElement>, TResult>, IEqualityComparer<TKey>)	Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. Key values are compared by using a specified comparer, and the elements of each group are projected by using a specified function.
GroupBy<TSource,TKey,TElement,TResult>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, Func<TSource, CancellationToken,ValueTask<TElement>>, Func<TKey,IEnumerable<TElement>, CancellationToken,ValueTask<TResult>>, IEqualityComparer<TKey>)	Groups the elements of a sequence according to a specified key selector function and creates a result value from each group and its key. Key values are compared by using a specified comparer, and the elements of each group are projected by using a specified function.
GroupJoin<TOuter,TInner,TKey,TResult>(IAsyncEnumerable<TOuter>, IAsyncEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,IEnumerable<TInner>,TResult>, IEqualityComparer<TKey>)	Correlates the elements of two sequences based on key equality and groups the results.
GroupJoin<TOuter,TInner,TKey,TResult>(IAsyncEnumerable<TOuter>, IAsyncEnumerable<TInner>, Func<TOuter,CancellationToken,ValueTask<TKey>>, Func<TInner,CancellationToken,ValueTask<TKey>>, Func<TOuter, IEnumerable<TInner>,CancellationToken,ValueTask<TResult>>, IEqualityComparer<TKey>)	Correlates the elements of two sequences based on key equality and groups the results.
Index<TSource>(IAsyncEnumerable<TSource>)	Returns an enumerable that incorporates the element's index into a tuple.
Intersect<TSource>(IAsyncEnumerable<TSource>, IAsyncEnumerable<TSource>, IEqualityComparer<TSource>)	Produces the set intersection of two sequences.
IntersectBy<TSource,TKey>(IAsyncEnumerable<TSource>, IAsyncEnumerable<TKey>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Produces the set intersection of two sequences according to a specified key selector function.
IntersectBy<TSource,TKey>(IAsyncEnumerable<TSource>, IAsyncEnumerable<TKey>, Func<TSource,CancellationToken,ValueTask<TKey>>, IEqualityComparer<TKey>)	Produces the set intersection of two sequences according to a specified key selector function.
Join<TOuter,TInner,TKey,TResult>(IAsyncEnumerable<TOuter>, IAsyncEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>)	Correlates the elements of two sequences based on matching keys.
Join<TOuter,TInner,TKey,TResult>(IAsyncEnumerable<TOuter>, IAsyncEnumerable<TInner>, Func<TOuter,CancellationToken,ValueTask<TKey>>, Func<TInner, CancellationToken,ValueTask<TKey>>, Func<TOuter,TInner,CancellationToken, ValueTask<TResult>>, IEqualityComparer<TKey>)	Correlates the elements of two sequences based on matching keys.
LastAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>, CancellationToken)	Returns the last element of a sequence that satisfies a specified condition.
LastAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>, CancellationToken)	Returns the last element of a sequence that satisfies a specified condition.
LastAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Returns the last element of a sequence.
LastOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, TSource, CancellationToken)	Returns the last element of a sequence, or a default value if the sequence contains no elements.
LastOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>, TSource, CancellationToken)	Returns the last element of a sequence that satisfies a condition or a default value if no such element is found.
LastOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>, CancellationToken)	Returns the last element of a sequence that satisfies a condition or a default value if no such element is found.
LastOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>, TSource, CancellationToken)	Returns the last element of a sequence that satisfies a condition or a default value if no such element is found.
LastOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>, CancellationToken)	Returns the last element of a sequence that satisfies a condition or a default value if no such element is found.
LastOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Returns the last element of a sequence, or a default value if the sequence contains no elements.
LeftJoin<TOuter,TInner,TKey,TResult>(IAsyncEnumerable<TOuter>, IAsyncEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>)	Correlates the elements of two sequences based on matching keys.
LeftJoin<TOuter,TInner,TKey,TResult>(IAsyncEnumerable<TOuter>, IAsyncEnumerable<TInner>, Func<TOuter,CancellationToken,ValueTask<TKey>>, Func<TInner,CancellationToken,ValueTask<TKey>>, Func<TOuter, TInner,CancellationToken,ValueTask<TResult>>, IEqualityComparer<TKey>)	Correlates the elements of two sequences based on matching keys.
LongCountAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>, CancellationToken)	Returns the number of elements in a sequence satisfy a condition.
LongCountAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>, CancellationToken)	Returns the number of elements in a sequence satisfy a condition.
LongCountAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Returns the number of elements in a sequence satisfy a condition.
MaxAsync<TSource>(IAsyncEnumerable<TSource>, IComparer<TSource>, CancellationToken)	Returns the maximum value in a generic sequence.
MaxByAsync<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, IComparer<TKey>, CancellationToken)	Returns the maximum value in a generic sequence according to a specified key selector function.
MaxByAsync<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, IComparer<TKey>, CancellationToken)	Returns the maximum value in a generic sequence according to a specified key selector function.
MinAsync<TSource>(IAsyncEnumerable<TSource>, IComparer<TSource>, CancellationToken)	Returns the minimum value in a generic sequence.
MinByAsync<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, IComparer<TKey>, CancellationToken)	Returns the minimum value in a generic sequence according to a specified key selector function.
MinByAsync<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, IComparer<TKey>, CancellationToken)	Returns the minimum value in a generic sequence according to a specified key selector function.
Order<T>(IAsyncEnumerable<T>, IComparer<T>)	Sorts the elements of a sequence in ascending order.
OrderBy<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, IComparer<TKey>)	Sorts the elements of a sequence in ascending order.
OrderBy<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, IComparer<TKey>)	Sorts the elements of a sequence in ascending order.
OrderByDescending<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, IComparer<TKey>)	Sorts the elements of a sequence in descending order.
OrderByDescending<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, IComparer<TKey>)	Sorts the elements of a sequence in descending order.
OrderDescending<T>(IAsyncEnumerable<T>, IComparer<T>)	Sorts the elements of a sequence in descending order.
Prepend<TSource>(IAsyncEnumerable<TSource>, TSource)	Adds a value to the beginning of the sequence.
Reverse<TSource>(IAsyncEnumerable<TSource>)	Inverts the order of the elements in a sequence.
RightJoin<TOuter,TInner,TKey,TResult>(IAsyncEnumerable<TOuter>, IAsyncEnumerable<TInner>, Func<TOuter,TKey>, Func<TInner,TKey>, Func<TOuter,TInner,TResult>, IEqualityComparer<TKey>)	Correlates the elements of two sequences based on matching keys.
RightJoin<TOuter,TInner,TKey,TResult>(IAsyncEnumerable<TOuter>, IAsyncEnumerable<TInner>, Func<TOuter,CancellationToken,ValueTask<TKey>>, Func<TInner,CancellationToken,ValueTask<TKey>>, Func<TOuter, TInner,CancellationToken,ValueTask<TResult>>, IEqualityComparer<TKey>)	Correlates the elements of two sequences based on matching keys.
Select<TSource,TResult>(IAsyncEnumerable<TSource>, Func<TSource,TResult>)	Projects each element of a sequence into a new form.
Select<TSource,TResult>(IAsyncEnumerable<TSource>, Func<TSource,Int32,TResult>)	Projects each element of a sequence into a new form by incorporating the element's index.
Select<TSource,TResult>(IAsyncEnumerable<TSource>, Func<TSource,Int32,CancellationToken,ValueTask<TResult>>)	Projects each element of a sequence into a new form by incorporating the element's index.
Select<TSource,TResult>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TResult>>)	Projects each element of a sequence into a new form.
SelectMany<TSource,TResult>(IAsyncEnumerable<TSource>, Func<TSource,IAsyncEnumerable<TResult>>)	Projects each element of a sequence to an IAsyncEnumerable<T> and flattens the resulting sequences into one IAsyncEnumerable<T> sequence.
SelectMany<TSource,TResult>(IAsyncEnumerable<TSource>, Func<TSource,IEnumerable<TResult>>)	Projects each element of a sequence to an IEnumerable<T> and flattens the resulting sequences into one IAsyncEnumerable<T> sequence.
SelectMany<TSource,TResult>(IAsyncEnumerable<TSource>, Func<TSource,Int32,IAsyncEnumerable<TResult>>)	Projects each element of a sequence to an IAsyncEnumerable<T> and flattens the resulting sequences into one IAsyncEnumerable<T> sequence. The index of each source element is used in the projected form of that element.
SelectMany<TSource,TResult>(IAsyncEnumerable<TSource>, Func<TSource,Int32,IEnumerable<TResult>>)	Projects each element of a sequence to an IEnumerable<T> and flattens the resulting sequences into one IAsyncEnumerable<T> sequence. The index of each source element is used in the projected form of that element.
SelectMany<TSource,TResult>(IAsyncEnumerable<TSource>, Func<TSource,Int32,CancellationToken,ValueTask<IEnumerable<TResult>>>)	Projects each element of a sequence to an IEnumerable<T> and flattens the resulting sequences into one IAsyncEnumerable<T> sequence. The index of each source element is used in the projected form of that element.
SelectMany<TSource,TResult>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<IEnumerable<TResult>>>)	Projects each element of a sequence to an IEnumerable<T> and flattens the resulting sequences into one IAsyncEnumerable<T> sequence.
SelectMany<TSource,TCollection,TResult>(IAsyncEnumerable<TSource>, Func<TSource,IAsyncEnumerable<TCollection>>, Func<TSource,TCollection,TResult>)	Projects each element of a sequence to an IAsyncEnumerable<T>, flattens the resulting sequences into one IAsyncEnumerable<T> sequence, and invokes a result selector function on each element therein. The index of each source element is used in the intermediate projected form of that element.
SelectMany<TSource,TCollection,TResult>(IAsyncEnumerable<TSource>, Func<TSource,IAsyncEnumerable<TCollection>>, Func<TSource,TCollection, CancellationToken,ValueTask<TResult>>)	Projects each element of a sequence to an IAsyncEnumerable<T>, flattens the resulting sequences into one IAsyncEnumerable<T> sequence, and invokes a result selector function on each element therein. The index of each source element is used in the intermediate projected form of that element.
SelectMany<TSource,TCollection,TResult>(IAsyncEnumerable<TSource>, Func<TSource,IEnumerable<TCollection>>, Func<TSource,TCollection,TResult>)	Projects each element of a sequence to an IEnumerable<T>, flattens the resulting sequences into one IAsyncEnumerable<T> sequence, and invokes a result selector function on each element therein. The index of each source element is used in the intermediate projected form of that element.
SelectMany<TSource,TCollection,TResult>(IAsyncEnumerable<TSource>, Func<TSource,Int32,IAsyncEnumerable<TCollection>>, Func<TSource, TCollection,CancellationToken,ValueTask<TResult>>)	Projects each element of a sequence to an IAsyncEnumerable<T>, flattens the resulting sequences into one IAsyncEnumerable<T> sequence, and invokes a result selector function on each element therein.
SelectMany<TSource,TCollection,TResult>(IAsyncEnumerable<TSource>, Func<TSource,Int32,IEnumerable<TCollection>>, Func<TSource,TCollection,TResult>)	Projects each element of a sequence to an IEnumerable<T>, flattens the resulting sequences into one IAsyncEnumerable<T> sequence, and invokes a result selector function on each element therein.
SelectMany<TSource,TCollection,TResult>(IAsyncEnumerable<TSource>, Func<TSource,Int32,CancellationToken,ValueTask<IEnumerable<TCollection>>>, Func<TSource,TCollection,CancellationToken,ValueTask<TResult>>)	Projects each element of a sequence to an IEnumerable<T>, flattens the resulting sequences into one IAsyncEnumerable<T> sequence, and invokes a result selector function on each element therein.
SelectMany<TSource,TCollection,TResult>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<IEnumerable<TCollection>>>, Func<TSource,TCollection,CancellationToken,ValueTask<TResult>>)	Projects each element of a sequence to an IEnumerable<T>, flattens the resulting sequences into one IAsyncEnumerable<T> sequence, and invokes a result selector function on each element therein. The index of each source element is used in the intermediate projected form of that element.
SequenceEqualAsync<TSource>(IAsyncEnumerable<TSource>, IAsyncEnumerable<TSource>, IEqualityComparer<TSource>, CancellationToken)	Determines whether two sequences are equal by comparing their elements.
SingleAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>, CancellationToken)	Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists.
SingleAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>, CancellationToken)	Returns the only element of a sequence that satisfies a specified condition, and throws an exception if more than one such element exists.
SingleAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Returns the only element of a sequence, and throws an exception if there is not exactly one element in the sequence.
SingleOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, TSource, CancellationToken)	Returns the only element of a sequence, or a default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence.
SingleOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>, TSource, CancellationToken)	Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition.
SingleOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>, CancellationToken)	Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition.
SingleOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>, TSource, CancellationToken)	Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition.
SingleOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>, CancellationToken)	Returns the only element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition.
SingleOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Returns the only element of a sequence, or a default value if the sequence is empty; this method throws an exception if there is more than one element in the sequence.
Skip<TSource>(IAsyncEnumerable<TSource>, Int32)	Bypasses a specified number of elements in a sequence and then returns the remaining elements.
SkipLast<TSource>(IAsyncEnumerable<TSource>, Int32)	Returns a new sequence that contains the elements from `source` with the last `count` elements of the source collection omitted.
SkipWhile<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>)	Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements.
SkipWhile<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Int32,Boolean>)	Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. The element's index is used in the logic of the predicate function.
SkipWhile<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Int32,CancellationToken,ValueTask<Boolean>>)	Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements. The element's index is used in the logic of the predicate function.
SkipWhile<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>)	Bypasses elements in a sequence as long as a specified condition is true and then returns the remaining elements.
Take<TSource>(IAsyncEnumerable<TSource>, Int32)	Returns a specified number of contiguous elements from the start of a sequence.
Take<TSource>(IAsyncEnumerable<TSource>, Range)	Returns a specified range of contiguous elements from a sequence.
TakeLast<TSource>(IAsyncEnumerable<TSource>, Int32)	Returns a new sequence that contains the last `count` elements from `source`.
TakeWhile<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>)	Returns elements from a sequence as long as a specified condition is true.
TakeWhile<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Int32,Boolean>)	Returns elements from a sequence as long as a specified condition is true. The element's index is used in the logic of the predicate function.
TakeWhile<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Int32,CancellationToken,ValueTask<Boolean>>)	Returns elements from a sequence as long as a specified condition is true. The element's index is used in the logic of the predicate function.
TakeWhile<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>)	Returns elements from a sequence as long as a specified condition is true.
ToArrayAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Creates an array from an IAsyncEnumerable<T>.
ToDictionaryAsync<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>, CancellationToken)	Creates a Dictionary<TKey,TValue> from an IAsyncEnumerable<T> according to a specified key selector function.
ToDictionaryAsync<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource, CancellationToken,ValueTask<TKey>>, IEqualityComparer<TKey>, CancellationToken)	Creates a Dictionary<TKey,TValue> from an IAsyncEnumerable<T> according to a specified key selector function.
ToDictionaryAsync<TSource,TKey,TElement>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>, IEqualityComparer<TKey>, CancellationToken)	Creates a Dictionary<TKey,TValue> from an IAsyncEnumerable<T>"/> according to specified key selector and element selector functions.
ToDictionaryAsync<TSource,TKey,TElement>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, Func<TSource, CancellationToken,ValueTask<TElement>>, IEqualityComparer<TKey>, CancellationToken)	Creates a Dictionary<TKey,TValue> from an IAsyncEnumerable<T>"/> according to specified key selector and element selector functions.
ToHashSetAsync<TSource>(IAsyncEnumerable<TSource>, IEqualityComparer<TSource>, CancellationToken)	Creates a HashSet<T> from an IAsyncEnumerable<T>.
ToListAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Creates a list from an IAsyncEnumerable<T>.
ToLookupAsync<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>, CancellationToken)	Creates a ILookup<TKey,TElement> from an IAsyncEnumerable<T> according to a specified key selector function.
ToLookupAsync<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, IEqualityComparer<TKey>, CancellationToken)	Creates a ILookup<TKey,TElement> from an IAsyncEnumerable<T> according to a specified key selector function.
ToLookupAsync<TSource,TKey,TElement>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, Func<TSource,TElement>, IEqualityComparer<TKey>, CancellationToken)	Creates a ILookup<TKey,TElement> from an IAsyncEnumerable<T> according to a specified key selector function and element selector functions.
ToLookupAsync<TSource,TKey,TElement>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, Func<TSource, CancellationToken,ValueTask<TElement>>, IEqualityComparer<TKey>, CancellationToken)	Creates a ILookup<TKey,TElement> from an IAsyncEnumerable<T> according to a specified key selector function and element selector functions.
Union<TSource>(IAsyncEnumerable<TSource>, IAsyncEnumerable<TSource>, IEqualityComparer<TSource>)	Produces the set union of two sequences.
UnionBy<TSource,TKey>(IAsyncEnumerable<TSource>, IAsyncEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Produces the set union of two sequences according to a specified key selector function.
UnionBy<TSource,TKey>(IAsyncEnumerable<TSource>, IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, IEqualityComparer<TKey>)	Produces the set union of two sequences according to a specified key selector function.
Where<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>)	Filters a sequence of values based on a predicate.
Where<TSource>(IAsyncEnumerable<TSource>, 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<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Int32,CancellationToken,ValueTask<Boolean>>)	Filters a sequence of values based on a predicate. Each element's index is used in the logic of the predicate function.
Where<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<Boolean>>)	Filters a sequence of values based on a predicate.
Zip<TFirst,TSecond>(IAsyncEnumerable<TFirst>, IAsyncEnumerable<TSecond>)	Produces a sequence of tuples with elements from the two specified sequences.
Zip<TFirst,TSecond,TThird>(IAsyncEnumerable<TFirst>, IAsyncEnumerable<TSecond>, IAsyncEnumerable<TThird>)	Produces a sequence of tuples with elements from the three specified sequences.
Zip<TFirst,TSecond,TResult>(IAsyncEnumerable<TFirst>, IAsyncEnumerable<TSecond>, Func<TFirst,TSecond,TResult>)	Applies a specified function to the corresponding elements of two sequences, producing a sequence of the results.
Zip<TFirst,TSecond,TResult>(IAsyncEnumerable<TFirst>, IAsyncEnumerable<TSecond>, Func<TFirst,TSecond,CancellationToken,ValueTask<TResult>>)	Applies a specified function to the corresponding elements of two sequences, producing a sequence of the results.
ConfigureAwait<T>(IAsyncEnumerable<T>, Boolean)	Configures how awaits on the tasks returned from an async iteration will be performed.
ToBlockingEnumerable<T>(IAsyncEnumerable<T>, CancellationToken)	Converts an IAsyncEnumerable<T> instance into an IEnumerable<T> that enumerates elements in a blocking manner.
WithCancellation<T>(IAsyncEnumerable<T>, CancellationToken)	Sets the CancellationToken to be passed to GetAsyncEnumerator(CancellationToken) when iterating.

Applies to

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