Method DensePartialSort

DensePartialSort<T>(IAsyncEnumerable<T>, int)

Executes a partial sort of the top count elements of a sequence, including ties. If count is less than the total number of elements in source, then this method will improve performance.

Declaration

public static IAsyncEnumerable<T> DensePartialSort<T>(this IAsyncEnumerable<T> source, int count)

Parameters

Type	Name	Description
IAsyncEnumerable<T>	source	The source sequence.
int	count	Number of (maximum) elements to return.

Returns

Type	Description
IAsyncEnumerable<T>	A sequence containing at most top count elements from source, in their ascending order.

Type Parameters

Name	Description
T	Type of elements in the sequence.

Remarks

This operation is an O(n * log(K)) where K is count.

This operator uses deferred execution and streams it results.

Exceptions

Type	Condition
ArgumentNullException	source is null.
ArgumentOutOfRangeException	count is less than 1.

DensePartialSort<T>(IAsyncEnumerable<T>, int, OrderByDirection)

Executes a direction partial sort of the top count elements of a sequence, including ties. If count is less than the total number of elements in source, then this method will improve performance.

Declaration

public static IAsyncEnumerable<T> DensePartialSort<T>(this IAsyncEnumerable<T> source, int count, OrderByDirection direction)

Parameters

Type	Name	Description
IAsyncEnumerable<T>	source	The source sequence.
int	count	Number of (maximum) elements to return.
OrderByDirection	direction	The direction in which to sort the elements

Returns

Type	Description
IAsyncEnumerable<T>	A sequence containing at most top count elements from source, in the specified order.

Type Parameters

Name	Description
T	Type of elements in the sequence.

Remarks

This operation is an O(n * log(K)) where K is count.

This operator uses deferred execution and streams it results.

Exceptions

Type	Condition
ArgumentNullException	source is null.
ArgumentOutOfRangeException	count is less than 1.

DensePartialSort<T>(IAsyncEnumerable<T>, int, IComparer<T>?)

Executes a partial sort of the top count elements of a sequence, including ties, using comparer to compare elements. If count is less than the total number of elements in source, then this method will improve performance.

Declaration

public static IAsyncEnumerable<T> DensePartialSort<T>(this IAsyncEnumerable<T> source, int count, IComparer<T>? comparer)

Parameters

Type	Name	Description
IAsyncEnumerable<T>	source	The source sequence.
int	count	Number of (maximum) elements to return.
IComparer<T>	comparer	A IComparer<T> to compare elements.

Returns

Type	Description
IAsyncEnumerable<T>	A sequence containing at most top count elements from source, in their ascending order.

Type Parameters

Name	Description
T	Type of elements in the sequence.

Remarks

This operation is an O(n * log(K)) where K is count.

This operator uses deferred execution and streams it results.

Exceptions

Type	Condition
ArgumentNullException	source is null.
ArgumentOutOfRangeException	count is less than 1.

DensePartialSort<T>(IAsyncEnumerable<T>, int, IComparer<T>?, OrderByDirection)

Executes a direction partial sort of the top count elements of a sequence, including ties, using comparer to compare elements. If count is less than the total number of elements in source, then this method will improve performance.

Declaration

public static IAsyncEnumerable<T> DensePartialSort<T>(this IAsyncEnumerable<T> source, int count, IComparer<T>? comparer, OrderByDirection direction)

Parameters

Type	Name	Description
IAsyncEnumerable<T>	source	The source sequence.
int	count	Number of (maximum) elements to return.
IComparer<T>	comparer	A IComparer<T> to compare elements.
OrderByDirection	direction	The direction in which to sort the elements

Returns

Type	Description
IAsyncEnumerable<T>	A sequence containing at most top count elements from source, in the specified order.

Type Parameters

Name	Description
T	Type of elements in the sequence.

Remarks

This operation is an O(n * log(K)) where K is count.

This operator uses deferred execution and streams it results.

Exceptions

Type	Condition
ArgumentNullException	source is null.
ArgumentOutOfRangeException	count is less than 1.