【翻译完成】20200605 Go: Stringer Command, Efficiency Through Code Generation #1837
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
lxbwolf
reviewed
Nov 26, 2020
There was a problem hiding this comment.
中英文之间、中文与数字之间需要加一个空格
可以参照 中文文案排版指北
https://github.com/studygolang/GCTT/blob/master/chinese-copywriting-guidlines.md
| StringerWithSwitch-4 4.99ns ± 1% | ||
| ``` | ||
| 常量越多，效率越高。这是有道理的。从内存中加载一个值比一些跳转指令(表示if条件的汇编指令)更具有膨胀性。 | ||
| 然而，当switch语句越大，跳转指令的数量就越多。从某种程度上来说，从内存中加载将会变得更有效。 |
lxbwolf
reviewed
Nov 29, 2020
| ℹ️ 这篇文章基于 Go 1.13。 | ||
|
|
||
| `stringer`命令的目标是自动生成满足`fmt.Stringer`接口的方法。它将为指定的类型生成`String()`方法，`String()`返回的字符串用于描述该类型。 | ||
| `stringer` 命令的目标是自动生成满足 `fmt.Stringer` 接口的方法。它将为指定的类型生成 `String()` 方法， `String()` 返回的字符串用于描述该类型。 |
There was a problem hiding this comment.
方法， String() 返回的字符串用于描述该类型。
=> 方法，String() 返回的字符串用于描述该类型。
中文标点符号后不需要加空格
|
|
||
| ## 例子 | ||
| 这个[命令的文档](https://godoc.org/golang.org/x/tools/cmd/stringer)中给我们提供了一个学习的例子，如下： | ||
| 这个[命令的文档](https://godoc.org/golang.org/x/tools/cmd/stringer) 中给我们提供了一个学习的例子，如下： |
|
|
||
| ## 效率 | ||
| `stringer`生成了一个包含每一个字符串的`长字符串`和一个包含每一个字符串索引的数组。在我们这个例子里，读`Aspirin`即是读`长字符串`的索引7到13组成的字符串： | ||
| `stringer` 生成了一个包含每一个字符串的 ` 长字符串 ` 和一个包含每一个字符串索引的数组。在我们这个例子里，读 `Aspirin` 即是读 ` 长字符串 ` 的索引 7 到 13 组成的字符串： |
| ``` | ||
| ➜ go tool compile -S main.go pill_string.go | grep "\"\".Pill\.[^\s]* STEXT" | ||
| "".Pill.String STEXT size=275 args=0x18 locals=0x50 | ||
| ``` | ||
| 只有`String()`函数被编译到二进制文件中, 自检对性能或二进制大小没有影响。 | ||
| 只有 `String()` 函数被编译到二进制文件中 , 自检对性能或二进制大小没有影响。 |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
申请校对，关联 #1769