MoreEnumerableSubsetsT(IEnumerableT, Int32) Method

Returns a sequence of IListT representing all subsets of a given size that are part of the original sequence. In mathematics, it is equivalent to the combinations or k-subsets of a set.

Definition

Namespace: MoreLinq
Assembly: MoreLinq (in MoreLinq.dll) Version: 3.4.0+b99a6a8cc504caf2d48372fe54a2f8116c59cd0c
C#
public static IEnumerable<IList<T>> Subsets<T>(
	this IEnumerable<T> sequence,
	int subsetSize
)

Parameters

sequence  IEnumerableT
Sequence for which to produce subsets.
subsetSize  Int32
The size of the subsets to produce.

Type Parameters

T
The type of the elements in the sequence.

Return Value

IEnumerableIListT
A sequence of lists that represents of K-sized subsets of the original sequence.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IEnumerableT. When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).

Exceptions

ArgumentNullException Thrown if sequence is .
ArgumentOutOfRangeException Thrown if subsetSize is less than zero.

See Also