Go 2 Generics? A (P)review Changkun Ou https://changkun.de/s/go2generics/ https://youtu.be/E16Y6bI2S08 Go 夜读 SIG 小组 | 第 80 期 March 18, 2020 # Based on Contracts ( Version July 31, 2019 夜读 · Go 2 Generics? A (P)review 主要内容 ● 泛型的起源 ● 泛型的早期设计 ● Go 2 的「合约」 ● 上手时间 ● 历史性评述 ● 展望 泛型的起源 Origin of Generics 2020 © Changkun Ou · Go 夜读 · Go 2 Generics? A (P)review 当我们谈论泛型时，我们在谈论什么？ 4 Add("1", "2") // 编译器生成 T = string 的 Add 2020 © Changkun Ou · Go 夜读 · Go 2 Generics? A (P)review 泛型做到了什么接口做不到的事情？ 5 当使用 interface{} 时，a、b、返回值都可以在运行时表现为不同类型，取决于内部 实现如何对参数进行断言： type T interface

come to the end of this chapter, and we are sure that there was a lot of content to absorb, so let’s review some takeaways. Summary In this second chapter on learning techniques, we tried to provide depth

Applications ............................. 13 1.5. Lesson Summary ................................ 18 1.6. Review Exercise ................................. 19 2. Exploring the Ubuntu Desktop ................. Effects - Compiz Fusion ......... 40 2.6. Lesson Summary ................................ 42 2.7. Review Exercise ................................. 43 2.8. Lab Exercise ............................... ............................... 89 3.7. Lesson Summary ................................ 90 3.8. Review Exercise ................................. 91 3.9. Lab Exercise ...............................

Removed 78Did Not Retest Power Peg 79Deploy Version to Support RLP 80Manual Deployment Mistake 81No Review or Test of Deployment 82RLP Goes Live on 7 Servers 83Power Peg Runs on 1 Server 842005 Bites Back still around •Refactored code in 2005 ; moved dead code ; test still pass •Manual deployment ; no review ; no tests •Different components had different view of same thing •email for important log messages still around •Refactored code in 2005 ; moved dead code ; test still pass •Manual deployment ; no review ; no tests •Different components had different view of same thing •email for important log messages

Weblate modules Translation workflows Translation access Translation states Direct translation Peer review Dedicated reviewers Enabling reviews Frequently Asked Questions Configuration Usage Troubleshooting which lead to translation. These are results of various checks, like untranslated or strings needing review. Should no other checks fire, there will be still link to all translations. Alternatively you can translation, for example in case you are unsure about the translation and you want somebody else to review it. Note Permissions might vary depending on your setup, what is described is default Weblate behaviour

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186 5.4 Peer review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186 which lead to translation. These are results of various checks, like untranslated or strings needing review. Should no other checks fire, there will be still link to all translations. Alternatively you can translation, for example in case you are unsure about the translation and you want somebody else to review it. Note: Permissions might vary depending on your setup, what is described is default Weblate behaviour

Weblate modules Translation workflows Translation access Translation states Direct translation Peer review Dedicated reviewers Enabling reviews Frequently Asked Questions Configuration Usage Troubleshooting which lead to translation. These are results of various checks, like untranslated or strings needing review. Should no other checks fire, there will be still link to all translations. Alternatively you can translation, for example in case you are unsure about the translation and you want somebody else to review it. Note Permissions might vary depending on your setup, what is described is default Weblate behaviour

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 5.4 Peer review . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 which lead to translation. These are results of various checks, like untranslated or strings needing review. Should no other checks fire, there will be still link to all translations. Alternatively you can translation, for example in case you are unsure about the translation and you want somebody else to review it. Note: Permissions might vary depending on your setup, what is described is default Weblate behaviour

Weblate modules Translation workflows Translation access Translation states Direct translation Peer review Dedicated reviewers Enabling reviews Frequently Asked Questions Configuration Usage Troubleshooting which lead to translation. These are results of various checks, like untranslated or strings needing review. Should no other checks fire, there will be still link to all translations. Alternatively you can translation, for example in case you are unsure about the translation and you want somebody else to review it. Note Permissions might vary depending on your setup, what is described is default Weblate behaviour