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docs: 更新文档描述及typo错误 #5

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Merged
aceld merged 3 commits into from
Mar 6, 2023
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docs: 更新文档描述及typo错误 #5

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9531fb1
docs: update channel
tangx Apr 16, 2021
ff2aa00
docs: 更新口诀
tangx Apr 16, 2021
5b67179
docs: 修改了一些排版问题
tangx Apr 16, 2021
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docs: 更新口诀
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@tangx
tangx committed Apr 16, 2021
commit ff2aa00f839d7075b7eb36fc963a3e0b02714214
6 changes: 3 additions & 3 deletions 5、channel.md
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Expand Up @@ -12,11 +12,11 @@

* 给一个已经关闭的 channel 发送数据，引起 panic

* 从一个已经关闭的 channel 接收数据，如果缓冲区中为空，则返回**一个零值 和 false** `val,ok:= <-ch1`
* 从一个已经关闭的 channel 接收数据，如果缓冲区中为空，则返回 **一个零值 和 false** (ex: `val,ok:= <-ch1`)

* 无缓冲的channel是同步的，而有缓冲的channel是非同步的

以上5个特性是死东西，也可以通过口诀来记忆：“空读写阻塞，写关闭异常，读关闭空零”。
以上5个特性是死东西，也可以通过口诀来记忆：“读写**空**阻塞，写**关闭**异常，读**关闭空**零假”。

![](images/169-channel异常情况总结.png)

Expand Down Expand Up @@ -58,7 +58,7 @@ func main() {



15字口诀：“空读写阻塞，写关闭异常，读关闭空零”，往已经关闭的channel写入数据会panic的。因为main在开辟完两个goroutine之后，立刻关闭了ch， 结果：
15字口诀：“读写**空**阻塞，写**关闭**异常，读**关闭空**零假”，往已经关闭的channel写入数据会panic的。因为main在开辟完两个goroutine之后，立刻关闭了ch， 结果：

```
panic: send on closed channel
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