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ExactlyExtensionExactlyT Method

Determines whether or not the number of elements in the sequence is equals to the given integer.

Namespace:  MoreLinq.Extensions
Assembly:  MoreLinq (in MoreLinq.dll) Version: 3.0.0
Syntax
public static bool Exactly<T>(
	this IEnumerable<T> source,
	int count
)

Parameters

source
Type: System.Collections.GenericIEnumerableT
The source sequence
count
Type: SystemInt32
The exactly number of items a sequence must have for this function to return true

Type Parameters

T
Element type of sequence

Return Value

Type: Boolean
true if the number of elements in the sequence is equals to the given integer or false otherwise.

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
ExceptionCondition
ArgumentNullExceptionsource is null
ArgumentOutOfRangeExceptioncount is negative
Examples
var numbers = new[] { 123, 456, 789 };
var result = numbers.Exactly(3);
The result variable will contain true.
See Also