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In the era of big data, fast, efficient, and lightweight programming languages are particularly favored by developers. Therefore, in recent years, Golang has been accepted and used by more and more developers because of its language features. This article will introduce how to write Golang projects and share my experience and insights in the project.
The initialization of Golang project usually requires setting the project name, path, dependency package, version, etc., which can be initialized through the following command:
go mod init
The above command will initialize a Go module named
A good project needs to have a clear structure, which makes it easier for developers to maintain and manage the code. Golang projects usually contain the following files and directories:
It is recommended that the above directories be placed in the root directory of the project in order, for example:
├── cmd │ ├── main.go │ ├── command1.go │ └── command2.go ├── internal │ ├── module1 │ │ ├── module1.go │ │ ├── module1_test.go │ │ └── ... │ ├── module2 │ │ ├── module2.go │ │ ├── module2_test.go │ │ └── ... ├── pkg │ ├── pkg1.go │ ├── pkg1_test.go │ ├── pkg2.go │ ├── pkg2_test.go │ └── ... ├── vendor ├── go.mod └── go.sum
Clearly organized directories A project is a good starting point, but the quality of the code is also one of the keys to the success of the project. The following are some suggestions to improve code quality:
In addition, coding style is a good habit, for example:
Testing is probably one of the most important parts of a project, ensuring that the code is stable and correct during development and deployment sex. Golang provides a built-in testing tool, which is usually used for unit testing and integration testing. Run the following command to test:
go test ./...
This will test all the code and print the test results.
Documentation is a description of the code and an important way to read the code. Therefore, during project development, code readability and document writing are equally important. Here are some tips for writing good documentation: Use natural language and try to avoid abbreviations and technical language.
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