iikoFront Api V7Preview7 Code Reference
iikoFront Api V7Preview7 Code Reference
Resto.Front.Api.Attributes.JetBrains
CanBeNullAttribute Class
CanBeNullAttribute Constructor
CanBeNullAttribute Properties
CanBeNullAttribute Methods

# CanBeNullAttribute Class

Indicates that the value of the marked element could be null sometimes, so the check for null is necessary before its usage.
Inheritance Hierarchy
System
Object
System
Attribute
Resto.Front.Api.Attributes.JetBrains
CanBeNullAttribute

Namespace: Resto.Front.Api.Attributes.JetBrains
Assembly: Resto.Front.Api.V7Preview7 (in Resto.Front.Api.V7Preview7.dll) Version: 1ca4876affdd3bc5359a98b321fc115a647d2251
Syntax
C#
Copy

    public sealed class CanBeNullAttribute : Attribute

The CanBeNullAttribute type exposes the following members.

Constructors

| Name | Description
--- | --- | ---
| CanBeNullAttribute | Initializes a new instance of the CanBeNullAttribute class

Top
Properties

| Name | Description
--- | --- | ---
| TypeId | When implemented in a derived class, gets a unique identifier for this Attribute. (Inherited from Attribute.)

Top
Methods

| Name | Description
--- | --- | ---
| Equals | Returns a value that indicates whether this instance is equal to a specified object. (Inherited from Attribute.)
| GetHashCode | Returns the hash code for this instance. (Inherited from Attribute.)
| GetType | Gets the Type of the current instance. (Inherited from Object.)
| IsDefaultAttribute | When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class. (Inherited from Attribute.)
| Match | When overridden in a derived class, returns a value that indicates whether this instance equals a specified object. (Inherited from Attribute.)
| ToString | Returns a string that represents the current object. (Inherited from Object.)

Top
Examples
Copy

    [CanBeNull] object Test() => null;

    void UseTest() {
      var p = Test();
      var s = p.ToString(); // Warning: Possible 'System.NullReferenceException'
    }

See Also

#### Reference

Resto.Front.Api.Attributes.JetBrains Namespace