SingleExtension.Single<T> 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.Extensions
Assembly: MoreLinq (in MoreLinq.dll) Version: 4.1.0+0e154ef592f33ce0f6f3d534a9eedee273f0ce72
C#
public static T Single<T>(
	this IExtremaEnumerable<T> source
)

Parameters

source  IExtremaEnumerable<T>
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 IExtremaEnumerable<T>. 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