How to install guru in golang to improve development efficiency

Golang is a very popular programming language. It has the characteristics of efficiency, simplicity, safety and so on, so it is loved by more and more programmers. In the development process of Golang, there are some important tools, one of which is guru. guru is a tool used to analyze Go code and provide useful information. It can help developers understand the code, improve code quality, improve code efficiency, etc. This article will introduce how to install guru on your computer to improve your Golang development efficiency.

1. What is guru

guru is a tool officially developed by Go. It can help programmers perform static analysis and optimization of Go code. Use guru to find problems in your code, view variable usage, find call graphs, and more. Guru is widely used, especially in large projects, where it can help reduce errors in code, improve efficiency, etc. In addition, guru can also be used as a plug-in in some Go development tools, such as gore, vim-go, etc.

2. Install guru

Before starting to install guru, you need to install Golang first and make sure you have correctly configured environment variables such as GOPATH and GOROOT. Then you can follow the steps below to complete the guru installation:

1. Use the command line to enter your GOPATH directory: cd $GOPATH
2. Install guru's navigation tool: golang.org/ x/tools/cmd/guru

go get -u -v golang.org/x/tools/cmd/guru

3. Waiting for complete download of guru.

This completes the installation of guru. You can use the following command to verify whether guru is installed successfully:

guru -help

If you see the guru command help document, it means guru has been installed successfully. Next, we can take a look at some common commands of guru.

3. The use of guru

guru provides many useful commands that can help you quickly analyze your code. Let's take a look at some commonly used commands:

1. Command: guru reflect -json -modified -scope "
2. Description: List all places where reflection is used in the current package. The output result is in Json format, and only recently modified files are listed.
3. Command: guru definition -json main
4. Description: List all main-related things in the current package, and output the results For Json format
5. Command: guru describe -json fmt.Print
6. Description: List the documents of the fmt.Print function, and the output result is in Json format

The above are just some commonly used commands in guru. If you want to know more commands, you can check the official documentation.

Summary:

Installing guru is very simple. You need to install Golang first, Then install guru through the command line. After the installation is complete, you can use guru to quickly analyze your Go code. I hope this article can help you understand the installation and use of guru and improve your golang development efficiency.

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