How to install Golang on Mac OS

Golang is a programming language launched by Google, suitable for concurrent programming and multi-processor systems. It has fast compilation speed, powerful standard library and concise syntax. This article will introduce how to install Golang on Mac operating system.

1. Download and Installation

The official website of Golang is "golang.org", and download links for all operating systems can be found on the official website. Enter the golang.org/dl/ page, click the macOS option, and download the latest installation package (in dmg format). After the download is complete, double-click to open the installation package and follow the prompts to install it step by step.

2. Configure environment variables

After the installation is complete, you need to configure environment variables for Golang. Open the terminal and enter the following command:

$ vi ~/.bash_profile

The vi editor is used here, you can also choose other editors for modification. After the editor is opened, add the following code at the end of the file:

export PATH=$PATH:/usr/local/go/bin
export GOPATH=$HOME/go #这里可以根据实际情况修改，
export PATH=$PATH:$GOPATH/bin

Save the file and exit the editor. Run the following code in the terminal to make it effective immediately:

$ source ~/.bash_profile

3. Test the installation

Enter the following code in the terminal to test whether the installation has been successful:

$ go version

If the current Golang version information can be displayed in the terminal, the installation is successful.

4. The first Golang program

We can first test it by writing a simple Golang program:

$ vi hello.go

Enter the following in the editor Code:

package main

import "fmt"

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

Save and exit the editor, run the following code in the terminal to execute the program:

$ go run hello.go

If "Hello, World!" can be output in the terminal, the installation is successful. You can now start developing Golang programs on your Mac.

Summary

Through the above steps, we can successfully install and configure the Golang environment on Mac. Golang is a fast, powerful, and concise programming language suitable for concurrent programming and multi-processor systems. By learning Golang, we can better master modern programming skills and enhance our competitiveness.

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