go

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🇺🇸

Original

English

🇨🇳

Translation

Chinese

Go

A simple, fast, and concurrent language developed by Google.

由Google开发的一门简洁、快速且支持并发的语言。

When to Use

适用场景

Microservices / Cloud-native apps
Network tools (servers, proxies)
High-performance systems
CLIs

微服务 / 云原生应用
网络工具（服务器、代理）
高性能系统
CLIs

Quick Start

快速开始

package main

import "fmt"

func main() {
    fmt.Println("Hello, World!")

    ch := make(chan string)
    go func() {
        ch <- "from goroutine"
    }()

    msg := <-ch
    fmt.Println(msg)
}

package main

import "fmt"

func main() {
    fmt.Println("Hello, World!")

    ch := make(chan string)
    go func() {
        ch <- "from goroutine"
    }()

    msg := <-ch
    fmt.Println(msg)
}

Core Concepts

核心概念

Goroutines

Lightweight threads managed by the Go runtime.

go doSomething()

由Go运行时管理的轻量级线程。

go doSomething()

Channels

Typed conduits for communication between goroutines.

用于goroutine之间通信的类型化管道。

Interfaces

Implicitly implemented. If a struct has the methods, it implements the interface.

隐式实现。如果结构体拥有对应的方法，即实现了该接口。

Best Practices

最佳实践

Do:

Handle errors explicitly (check
```
if err != nil
```
)
Use
```
gofmt
```
to format code
Keep extensive comments for public APIs
Use context for cancellation and timeouts

Don't:

Ignore errors (using
```
_
```
) blindly
Use panic/recover for normal error handling
Create large interfaces (keep them small)

建议：

显式处理错误（检查
```
if err != nil
```
）
使用
```
gofmt
```
格式化代码
为公共API添加详细注释
使用context进行取消操作和超时控制

不建议：

盲目忽略错误（使用
```
_
```
）
将panic/recover用于常规错误处理
创建大型接口（保持接口精简）

go

Original

Translation

Go

Go

When to Use

适用场景

Quick Start

快速开始

Core Concepts

核心概念

Goroutines

Goroutines

Channels

Channels

Interfaces

Interfaces

Best Practices

最佳实践

References

参考资料