Blocks. Analyse ObjC code. ObjC 2.0 properties. Objective-C static, extern, public vars. Assign vs. retain for Objective-C delegates. Objective-C Runtime Reference. Class_addIvar Adds a new instance variable to a class.
BOOL class_addIvar(Class cls, const char *name, size_t size, uint8_t alignment, const char *types) Return Value YES if the instance variable was added successfully, otherwise NO (for example, the class already contains an instance variable with that name). Discussion. A Java to iOS Objective-C translator.