IsNull(T) Method (ConditionValidator(Nullable(T)))

CuttingEdge.Conditions

Checks whether the given value is null. An exception is thrown otherwise.

Namespace:  CuttingEdge.Conditions
Assembly:  CuttingEdge.Conditions (in CuttingEdge.Conditions.dll)

Syntax

Visual Basic (Declaration)
Public Shared Function IsNull(Of T As {Structure, New}) ( _
	validator As ConditionValidator(Of Nullable(Of T)) _
) As ConditionValidator(Of Nullable(Of T))
C#
public static ConditionValidator<Nullable<T>> IsNull<T>(
	ConditionValidator<Nullable<T>> validator
)
where T : struct, new()
Visual C++
public:
generic<typename T>
where T : value class, gcnew()
static ConditionValidator<Nullable<T>>^ IsNull(
	ConditionValidator<Nullable<T>>^ validator
)
JavaScript
JavaScript does not support generic types or methods.

Parameters

validator
Type: CuttingEdge.Conditions..::.ConditionValidator<(Of <(Nullable<(Of <(T>)>)>)>)
The ConditionValidator<(Of <(T>)>) that holds the value that has to be checked.

Type Parameters

T
The type of the Value of the specified validator.

Return Value

The specified validator instance.

Exceptions

ExceptionCondition
System..::.ArgumentExceptionThrown when the Value of the specified validator is not null, while the specified validator is created using the Requires extension method.
CuttingEdge.Conditions..::.PostconditionExceptionThrown when the Value of the specified validator is not null, while the specified validator is created using the Ensures extension method.

See Also