MoreEnumerableAssertCountTSource(IEnumerableTSource, Int32) Method

Asserts that a source sequence contains a given count of elements.

Definition

Namespace: MoreLinq
Assembly: MoreLinq (in MoreLinq.dll) Version: 4.4.0+6d97c3b1d482f98300f4446df14742b0e3fafbec

C#

public static IEnumerable<TSource> AssertCount<TSource>(
	this IEnumerable<TSource> source,
	int count
)

VB

<ExtensionAttribute>
Public Shared Function AssertCount(Of TSource) ( 
	source As IEnumerable(Of TSource),
	count As Integer
) As IEnumerable(Of TSource)

C++

public:
[ExtensionAttribute]
generic<typename TSource>
static IEnumerable<TSource>^ AssertCount(
	IEnumerable<TSource>^ source, 
	int count
)

F#

[<ExtensionAttribute>]
static member AssertCount : 
        source : IEnumerable<'TSource> * 
        count : int -> IEnumerable<'TSource>

Parameters

source IEnumerableTSource: Source sequence.
count Int32: Count to assert.

Type Parameters

TSource: Type of elements in source sequence.

Return Value

IEnumerableTSource
Returns the original sequence as long it is contains the number of elements specified by count. Otherwise it throws Exception.

Usage Note

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

Remarks

This operator uses deferred execution and streams its results.