MoreEnumerableSingleT Method

Returns the only element of a sequence, and throws an exception if there is not exactly one element in the sequence.

Definition

Namespace: MoreLinq
Assembly: MoreLinq (in MoreLinq.dll) Version: 3.4.0+b99a6a8cc504caf2d48372fe54a2f8116c59cd0c
C#
public static T Single<T>(
	this IExtremaEnumerable<T> source
)

Parameters

source  IExtremaEnumerableT
The input sequence.

Type Parameters

T
The type of the elements of source.

Return Value

T
The single element of the input sequence.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type IExtremaEnumerableT. 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

InvalidOperationException The input sequence contains more than one element.

See Also