An opaque type that represents an instance variable.
SDKs
- iOS 4.0+
- macOS 10.5+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
Framework
- Objective-C Runtime
Declaration
typedef struct objcType Alias
Ivar
See Also
Class-Definition Data Structures
ClassAn opaque type that represents an Objective-C class.
MethodAn opaque type that represents a method in a class definition.
CategoryAn opaque type that represents a category.
objcAn opaque type that represents an Objective-C declared property.
IMPA pointer to the start of a method implementation.
SELDefines an opaque type that represents a method selector.
objcDefines an Objective-C method.
objcPerformance optimization for method calls. Contains pointers to recently used methods.
objcDefines a property attribute.