AsyncEnumerable Class

Definition

Namespace:: System.Linq

Assembly:: System.Linq.AsyncEnumerable.dll

Package:: System.Linq.AsyncEnumerable v10.0.0-rc.2.25502.107

Source:: AsyncEnumerable.cs

Source:: AsyncEnumerable.cs

Important

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Provides a set of static methods for querying objects that implement IAsyncEnumerable<T>.

public ref class AsyncEnumerable abstract sealed

public static class AsyncEnumerable

type AsyncEnumerable = class

Public Module AsyncEnumerable

Inheritance: Object
AsyncEnumerable

Methods

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.
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>(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>(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>(IAsyncEnumerable<TSource>, Func<TSource,TSource,CancellationToken,ValueTask<TSource>>, CancellationToken)	Applies an accumulator function over a sequence.
AggregateAsync<TSource>(IAsyncEnumerable<TSource>, Func<TSource,TSource,TSource>, CancellationToken)	Applies an accumulator function over a sequence.
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.
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,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,TKey>, TAccumulate, Func<TAccumulate,TSource,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>, CancellationToken)	Determines whether a sequence contains any elements.
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.
Append<TSource>(IAsyncEnumerable<TSource>, TSource)	Appends a value to the end of the sequence.
AverageAsync(IAsyncEnumerable<Decimal>, CancellationToken)	Computes the average of a sequence of values.
AverageAsync(IAsyncEnumerable<Double>, CancellationToken)	Computes the average of a sequence of values.
AverageAsync(IAsyncEnumerable<Int32>, CancellationToken)	Computes the average of a sequence of values.
AverageAsync(IAsyncEnumerable<Int64>, CancellationToken)	Computes the average of a sequence of values.
AverageAsync(IAsyncEnumerable<Nullable<Decimal>>, CancellationToken)	Computes the average of a sequence of nullable values.
AverageAsync(IAsyncEnumerable<Nullable<Double>>, CancellationToken)	Computes the average of a sequence of nullable values.
AverageAsync(IAsyncEnumerable<Nullable<Int32>>, CancellationToken)	Computes the average of a sequence of nullable values.
AverageAsync(IAsyncEnumerable<Nullable<Int64>>, CancellationToken)	Computes the average of a sequence of nullable values.
AverageAsync(IAsyncEnumerable<Nullable<Single>>, CancellationToken)	Computes the average of a sequence of nullable values.
AverageAsync(IAsyncEnumerable<Single>, CancellationToken)	Computes the average of a sequence of values.
Cast<TResult>(IAsyncEnumerable<Object>)	Casts the elements of an IAsyncEnumerable<T> to the specified type.
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>, CancellationToken)	Returns the number of elements in a sequence.
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.
CountBy<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, IEqualityComparer<TKey>)	Returns the count of elements in the source sequence grouped by key.
CountBy<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,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,CancellationToken,ValueTask<TKey>>, IEqualityComparer<TKey>)	Returns distinct elements from a sequence according to a specified key selector function.
DistinctBy<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,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.
Empty<TResult>()	Returns an empty IAsyncEnumerable<T> that has the specified type argument.
Except<TSource>(IAsyncEnumerable<TSource>, IAsyncEnumerable<TSource>, IEqualityComparer<TSource>)	Produces the set difference of two sequences.
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.
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.
FirstAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Returns the first element of a sequence.
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.
FirstOrDefaultAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Returns the first element of a sequence, or the default value of `TSource` if the sequence contains no elements.
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,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>, 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>, TSource, CancellationToken)	Returns the first element of a sequence, or a default value if the sequence contains no elements.
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.
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>(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,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, 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,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>(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>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>)	Groups the elements of a sequence according to a specified key selector function.
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.
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.
Index<TSource>(IAsyncEnumerable<TSource>)	Returns an enumerable that incorporates the element's index into a tuple.
InfiniteSequence<T>(T, T)	Generates an infinite sequence that begins with `start` and yields additional values each incremented by `step`.
Intersect<TSource>(IAsyncEnumerable<TSource>, IAsyncEnumerable<TSource>, IEqualityComparer<TSource>)	Produces the set intersection of two sequences.
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.
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.
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.
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.
LastAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Returns the last element of a sequence.
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.
LastOrDefaultAsync<TSource>(IAsyncEnumerable<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>, 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>, 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>, 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>, 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,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.
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.
LongCountAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Returns the number of elements in a sequence satisfy a condition.
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.
MaxAsync<TSource>(IAsyncEnumerable<TSource>, IComparer<TSource>, CancellationToken)	Returns the maximum value in a generic sequence.
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.
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.
MinAsync<TSource>(IAsyncEnumerable<TSource>, IComparer<TSource>, CancellationToken)	Returns the minimum value in a generic sequence.
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.
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.
OfType<TResult>(IAsyncEnumerable<Object>)	Filters the elements of a IAsyncEnumerable<T> based on a specified type `TResult`.
Order<T>(IAsyncEnumerable<T>, IComparer<T>)	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.
OrderBy<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, IComparer<TKey>)	Sorts the elements of a sequence in ascending order.
OrderByDescending<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, IComparer<TKey>)	Sorts the elements of a sequence in descending order.
OrderByDescending<TSource,TKey>(IAsyncEnumerable<TSource>, Func<TSource,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.
Range(Int32, Int32)	Generates a sequence of integral numbers within a specified range.
Repeat<TResult>(TResult, Int32)	Generates a sequence that contains one repeated value.
Reverse<TSource>(IAsyncEnumerable<TSource>)	Inverts the order of the elements in a sequence.
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.
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.
Select<TSource,TResult>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TResult>>)	Projects each element of a sequence into a new form.
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,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,TResult>)	Projects each element of a sequence into a new form.
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.
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,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,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,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,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,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,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,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,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.
Sequence<T>(T, T, T)	Generates a sequence that begins with `start` and yields additional values each incremented by `step` until `endInclusive` is reached.
SequenceEqualAsync<TSource>(IAsyncEnumerable<TSource>, IAsyncEnumerable<TSource>, IEqualityComparer<TSource>, CancellationToken)	Determines whether two sequences are equal by comparing their elements.
Shuffle<TSource>(IAsyncEnumerable<TSource>)	Shuffles the order of the elements of a sequence.
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.
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.
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.
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,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>, 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>, 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,CancellationToken,ValueTask<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.
SumAsync(IAsyncEnumerable<Decimal>, CancellationToken)	Computes the sum of a sequence of values.
SumAsync(IAsyncEnumerable<Double>, CancellationToken)	Computes the sum of a sequence of values.
SumAsync(IAsyncEnumerable<Int32>, CancellationToken)	Computes the sum of a sequence of values.
SumAsync(IAsyncEnumerable<Int64>, CancellationToken)	Computes the sum of a sequence of values.
SumAsync(IAsyncEnumerable<Nullable<Decimal>>, CancellationToken)	Computes the sum of a sequence of nullable values.
SumAsync(IAsyncEnumerable<Nullable<Double>>, CancellationToken)	Computes the sum of a sequence of nullable values.
SumAsync(IAsyncEnumerable<Nullable<Int32>>, CancellationToken)	Computes the sum of a sequence of nullable values.
SumAsync(IAsyncEnumerable<Nullable<Int64>>, CancellationToken)	Computes the sum of a sequence of nullable values.
SumAsync(IAsyncEnumerable<Nullable<Single>>, CancellationToken)	Computes the sum of a sequence of nullable values.
SumAsync(IAsyncEnumerable<Single>, CancellationToken)	Computes the sum of a sequence of values.
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,CancellationToken,ValueTask<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.
ThenBy<TSource,TKey>(IOrderedAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, IComparer<TKey>)	Performs a subsequent ordering of the elements in a sequence in ascending order.
ThenBy<TSource,TKey>(IOrderedAsyncEnumerable<TSource>, Func<TSource,TKey>, IComparer<TKey>)	Performs a subsequent ordering of the elements in a sequence in ascending order.
ThenByDescending<TSource,TKey>(IOrderedAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<TKey>>, IComparer<TKey>)	Performs a subsequent ordering of the elements in a sequence in descending order.
ThenByDescending<TSource,TKey>(IOrderedAsyncEnumerable<TSource>, Func<TSource,TKey>, IComparer<TKey>)	Performs a subsequent ordering of the elements in a sequence in descending order.
ToArrayAsync<TSource>(IAsyncEnumerable<TSource>, CancellationToken)	Creates an array from an IAsyncEnumerable<T>.
ToAsyncEnumerable<TSource>(IEnumerable<TSource>)	Creates a new IAsyncEnumerable<T> that iterates through `source`.
ToDictionaryAsync<TKey,TValue>(IAsyncEnumerable<KeyValuePair<TKey,TValue>>, IEqualityComparer<TKey>, CancellationToken)	Creates a Dictionary<TKey,TValue> from an IAsyncEnumerable<T> according to specified key comparer.
ToDictionaryAsync<TKey,TValue>(IAsyncEnumerable<ValueTuple<TKey,TValue>>, IEqualityComparer<TKey>, CancellationToken)	Creates a Dictionary<TKey,TValue> from an IAsyncEnumerable<T> according to specified key comparer.
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.
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>(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>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>, CancellationToken)	Creates a Dictionary<TKey,TValue> from an IAsyncEnumerable<T> according to a specified key selector function.
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,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.
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>(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>(IAsyncEnumerable<TSource>, Func<TSource,TKey>, IEqualityComparer<TKey>, CancellationToken)	Creates a ILookup<TKey,TElement> from an IAsyncEnumerable<T> according to a specified key selector function.
Union<TSource>(IAsyncEnumerable<TSource>, IAsyncEnumerable<TSource>, IEqualityComparer<TSource>)	Produces the set union of two sequences.
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.
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.
Where<TSource>(IAsyncEnumerable<TSource>, Func<TSource,Boolean>)	Filters a sequence of values based on a predicate.
Where<TSource>(IAsyncEnumerable<TSource>, Func<TSource,CancellationToken,ValueTask<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.
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.
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,TThird>(IAsyncEnumerable<TFirst>, IAsyncEnumerable<TSecond>, IAsyncEnumerable<TThird>)	Produces a sequence of tuples with elements from the three specified sequences.
Zip<TFirst,TSecond>(IAsyncEnumerable<TFirst>, IAsyncEnumerable<TSecond>)	Produces a sequence of tuples with elements from the two specified sequences.

Applies to

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