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OFNull Class Reference

A class for representing null values in collections. More...

#import <OFNull.h>

Inheritance diagram for OFNull:
OFObject <OFCopying> <OFSerialization> <OFJSONRepresentation> <OFObject>

Class Methods

(OFNull *) + null
 Returns an OFNull singleton.
 
- Class Methods inherited from OFObject
(void) + load
 A method which is called once when the class is loaded into the runtime.
 
(void) + initialize
 A method which is called the moment before the first call to the class is being made.
 
(id) + alloc
 Allocates memory for an instance of the class and sets up the memory pool for the object.
 
(id) + new
 Allocates memory for a new instance and calls init on it.
 
(Class) + class
 Returns the class.
 
(OFString *) + className
 Returns the name of the class as a string.
 
(BOOL) + isSubclassOfClass:
 Returns a boolean whether the class is a subclass of the specified class.
 
(Class) + superclass
 Returns the superclass of the class.
 
(BOOL) + instancesRespondToSelector:
 Checks whether instances of the class respond to a given selector.
 
(BOOL) + conformsToProtocol:
 Checks whether the class conforms to a given protocol.
 
(IMP) + instanceMethodForSelector:
 Returns the implementation of the instance method for the specified selector.
 
(const char *) + typeEncodingForInstanceSelector:
 Returns the type encoding of the instance method for the specified selector.
 
(OFString *) + description
 Returns a description for the class, which is usually the class name.
 
(IMP) + replaceClassMethod:withMethodFromClass:
 Replaces a class method with a class method from another class.
 
(IMP) + replaceInstanceMethod:withMethodFromClass:
 Replaces an instance method with an instance method from another class.
 
(IMP) + replaceClassMethod:withImplementation:typeEncoding:
 Replaces or adds a class method.
 
(IMP) + replaceInstanceMethod:withImplementation:typeEncoding:
 Replaces or adds an instance method.
 
(void) + inheritMethodsFromClass:
 Adds all methods from the specified class to the class that is the receiver.
 
(BOOL) + resolveClassMethod:
 Try to resolve the specified class method.
 
(BOOL) + resolveInstanceMethod:
 Try to resolve the specified instance method.
 

Additional Inherited Members

- Instance Methods inherited from OFObject
(id) - init
 Initializes an already allocated object.
 
(OFString *) - className
 Returns the name of the object's class.
 
(OFString *) - description
 Returns a description for the object.
 
(void *) - allocMemoryWithSize:
 Allocates memory and stores it in the object's memory pool.
 
(void *) - allocMemoryWithSize:count:
 Allocates memory for the specified number of items and stores it in the object's memory pool.
 
(void *) - resizeMemory:size:
 Resizes memory in the object's memory pool to the specified size.
 
(void *) - resizeMemory:size:count:
 Resizes memory in the object's memory pool to the specific number of items of the specified size.
 
(void) - freeMemory:
 Frees allocated memory and removes it from the object's memory pool.
 
(void) - dealloc
 Deallocates the object.
 
(void) - performSelector:afterDelay:
 Performs the specified selector after the specified delay.
 
(void) - performSelector:withObject:afterDelay:
 Performs the specified selector with the specified object after the specified delay.
 
(void) - performSelector:withObject:withObject:afterDelay:
 Performs the specified selector with the specified objects after the specified delay.
 
(void) - performSelector:onThread:waitUntilDone:
 Performs the specified selector on the specified thread.
 
(void) - performSelector:onThread:withObject:waitUntilDone:
 Performs the specified selector on the specified thread with the specified object.
 
(void) - performSelector:onThread:withObject:withObject:waitUntilDone:
 Performs the specified selector on the specified thread with the specified objects.
 
(void) - performSelectorOnMainThread:waitUntilDone:
 Performs the specified selector on the main thread.
 
(void) - performSelectorOnMainThread:withObject:waitUntilDone:
 Performs the specified selector on the main thread with the specified object.
 
(void) - performSelectorOnMainThread:withObject:withObject:waitUntilDone:
 Performs the specified selector on the main thread with the specified objects.
 
(void) - performSelector:onThread:afterDelay:
 Performs the specified selector on the specified thread after the specified delay.
 
(void) - performSelector:onThread:withObject:afterDelay:
 Performs the specified selector on the specified thread with the specified object after the specified delay.
 
(void) - performSelector:onThread:withObject:withObject:afterDelay:
 Performs the specified selector on the specified thread with the specified objects after the specified delay.
 
(OFString *) - stringBySerializing
 Creates a string by serializing the receiver.
 
- Instance Methods inherited from <OFCopying>
(id) - copy
 Copies the object.
 
- Instance Methods inherited from <OFSerialization>
(id) - initWithSerialization:
 Initializes the object with the specified XML element serialization.
 
(OFXMLElement *) - XMLElementBySerializing
 Serializes the object into an XML element.
 
- Instance Methods inherited from <OFJSONRepresentation>
(OFString *) - JSONRepresentation
 Returns the JSON representation of the object as a string.
 

Detailed Description

A class for representing null values in collections.

Method Documentation

+ (OFNull *) null

Returns an OFNull singleton.

Returns
An OFNull singleton

The documentation for this class was generated from the following files: