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strong（在LLVM中）和retain（在GCC中）之间有什么区别？

[英]what is the difference between strong (in LLVM) and retain( in GCC)?

原文 2012-04-24 13:45:44 1 2 iphone/ ios/ ios4

strong（在LLVM编译器中）和retain（在GCC编译器中）之间有什么区别？

2 个解决方案

strong is a new feature in iOS 5 Automatic Reference Counting (ARC) which behave the same as retain in iOS 4. Referenced Article. strong是iOS 5自动引用计数（ARC）中的一项新功能，其行为与iOS 4中的retain相同。参考文章。

Also, check out this other SO question: @property definitions with ARC: strong or retain? 另外，请查看其他SO问题： @property定义与ARC：强还是保留？

strong is a new keyword that was introduced along with arc (automatic reference counting). strong是与arc一起引入的新关键字（自动引用计数）。 There are a bazillion articles about it if you search google, including this one http://cupsofcocoa.com/2011/11/27/the-jungle-part-4-automatic-reference-counting/ 如果你搜索谷歌有很多关于它的文章，包括这篇文章http://cupsofcocoa.com/2011/11/27/the-jungle-part-4-automatic-reference-counting/

强弱财产有什么区别？ - what is the difference between strong and weak property?

alloc，retain和copy之间有什么区别 - What is the difference between alloc, retain and copy

强弱IBOutlets之间的区别 - Difference between Strong and Weak IBOutlets

__strong和strong，__ weak和weak之间有什么区别？ - what are the differences between __strong and strong, __weak and weak?

iPhone GCC / LLVM GCC还是LLVM？ - iPhone GCC / LLVM GCC or LLVM?

在使用LLVM-GCC编译ARC文件时获取“在'strong'之前预期属性属性” - Getting “Expected a property attribute before 'strong'” when compiling an ARC file with LLVM-GCC

保留计数和引用计数之间的区别在哪里？ - Where is the difference between Retain Counting and Reference Counting?

澄清分配，保留，复制是否有力？ - Clarification on assign, retain, copy, strong?

[[NSDate date] retain]和[[NSDate alloc] init]之间的区别 - Difference between [[NSDate date] retain] and [[NSDate alloc] init]

这两个宏有什么区别？ - What is difference between these 2 macros?

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相关问题 强弱财产有什么区别？ - what is the difference between strong and weak property? alloc，retain和copy之间有什么区别 - What is the difference between alloc, retain and copy 强弱IBOutlets之间的区别 - Difference between Strong and Weak IBOutlets __strong和strong，__ weak和weak之间有什么区别？ - what are the differences between __strong and strong, __weak and weak? iPhone GCC / LLVM GCC还是LLVM？ - iPhone GCC / LLVM GCC or LLVM? 在使用LLVM-GCC编译ARC文件时获取“在'strong'之前预期属性属性” - Getting “Expected a property attribute before 'strong'” when compiling an ARC file with LLVM-GCC 保留计数和引用计数之间的区别在哪里？ - Where is the difference between Retain Counting and Reference Counting? 澄清分配，保留，复制是否有力？ - Clarification on assign, retain, copy, strong? [[NSDate date] retain]和[[NSDate alloc] init]之间的区别 - Difference between [[NSDate date] retain] and [[NSDate alloc] init] 这两个宏有什么区别？ - What is difference between these 2 macros?

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