Ivar vs Property
作者:
公爵海恩庭斯 | 来源:发表于
2018-01-31 11:37 被阅读67次
Concepts
In the field of runtime, there are four concepts about this issue:
| Reference Type |
Struct Type |
Description |
| Method |
objc_method |
An opaque type that represents a method in a class definition. |
| Ivar |
objc_ivar |
An opaque type that represents an instance variable. |
| Category |
objc_category |
An opaque type that represents a category. |
| objc_property_t |
objc_property |
An opaque type that represents an Objective-C declared property. |
Ivar vs Property
|
Ivar |
Property |
| nonatomic |
❌ |
✅ |
| copy |
❌ |
✅ |
| @protected |
✅ |
❌ |
| @ package |
✅ |
❌ |
参考
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