MoreEnumerableExactlyT Method
            Determines whether or not the number of elements in the sequence is equals to the given integer.
            
Namespace: MoreLinqAssembly: MoreLinq (in MoreLinq.dll) Version: 4.1.0+0e154ef592f33ce0f6f3d534a9eedee273f0ce72
public static bool Exactly<T>(
	this IEnumerable<T> source,
	int count
)
<ExtensionAttribute>
Public Shared Function Exactly(Of T) ( 
	source As IEnumerable(Of T),
	count As Integer
) As Boolean
public:
[ExtensionAttribute]
generic<typename T>
static bool Exactly(
	IEnumerable<T>^ source, 
	int count
)
[<ExtensionAttribute>]
static member Exactly : 
        source : IEnumerable<'T> * 
        count : int -> bool 
- source  IEnumerableT
 - The source sequence
 - count  Int32
 - The exactly number of items a sequence must have for this
            function to return true
 
- T
 - Element type of sequence
 
Booleantrue if the number of elements in the sequence is equals
            to the given integer or 
false otherwise.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).
 var numbers = new[] { 123, 456, 789 };
var result = numbers.Exactly(3);
            The 
result variable will contain 
true.