|
|
| CuttingEdge.Conditions reference library |
| ValidatorExtensions..::.IsNull<(Of <(T>)>) Method (ConditionValidator<(Of <(T>)>)) |
| ValidatorExtensions Class See Also Send Feedback |
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 Class) ( _ validator As ConditionValidator(Of T) _ ) As ConditionValidator(Of T) |
| C# |
|---|
public static ConditionValidator<T> IsNull<T>( ConditionValidator<T> validator ) where T : class |
| Visual C++ |
|---|
public: generic<typename T> where T : ref class static ConditionValidator<T>^ IsNull( ConditionValidator<T>^ validator ) |
| JavaScript |
|---|
JavaScript does not support generic types or methods. |
Parameters
- validator
- Type: CuttingEdge.Conditions..::.ConditionValidator<(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
| Exception | Condition |
|---|---|
| System..::.ArgumentException | Thrown when the Value of the specified validator is not null, while the specified validator is created using the Requires extension method. |
| CuttingEdge.Conditions..::.PostconditionException | Thrown when the Value of the specified validator is not null, while the specified validator is created using the Ensures extension method. |
See Also
