Essential tools: Inventory of sharp tools for Golang developers

Golang is a simple, efficient, concurrency-safe programming language that is loved and sought after by more and more developers. As Golang developers, we need to be proficient in some tools to better develop and debug our applications. This article will take stock of some tools that Golang developers must know.

1. gofmt
   gofmt is the code formatting tool officially provided by Golang, which can help us unify the code style and improve the readability of the code. Using gofmt can automatically standardize code and maintain a consistent code style between different developers. During the process of writing code, we can use the gofmt -w command to format the code, or use the editor plug-in to automatically format the code.
2. go vet
   go vet is a static code analysis tool officially provided by Golang, which can help us check potential problems and errors in the code. Use go vet to detect some common coding errors, such as unused variables, unreferenced imports, etc., and give corresponding suggestions and warnings. When writing code, we can use the go vet command to perform static analysis on the code.
3. go test
   go test is a testing tool officially provided by Golang, which can help us perform unit testing and performance testing. Use go test to easily write and run test code to verify whether our code works as expected. When writing code, we can write the corresponding test file and use the go test command to run the test.
4. go mod
   go mod is a newly introduced package management tool after Golang version 1.11, which is used to solve the dependency management problem of Golang packages. Use go mod to easily manage project dependencies and automatically download and install dependency packages. When creating a new project, we can use the go mod init command to initialize the project, and use the go mod tidy command to manage dependency packages.
5. delve
   delve is a powerful Golang debugger that can help us locate and solve problems in the code. Use delve to set breakpoints, view the values ​​of variables, step through code, etc. during debugging. When debugging code, we can use the dlv command to start the debugger and use a series of debugging commands to debug.
6. pprof
   pprof is a performance analysis tool officially provided by Golang, which can help us analyze and optimize the performance of the code. Use pprof to obtain the CPU and memory usage of the program while it is running, and generate a visual analysis report. When tuning the code, we can use the pprof package for performance analysis and use the go tool pprof command to view the analysis results.
7. gin
   gin is a high-performance web framework suitable for building API services. Using gin can conveniently handle HTTP requests and responses, and provides a series of middleware and routing functions. When developing web applications, we can use the gin framework to simplify the development process and improve development efficiency.
8. sqlx
   sqlx is a database toolkit that encapsulates the standard library database/sql, which can help us operate the database more conveniently. Using sqlx can simplify database operations, provide more convenient APIs, and support functions such as structure mapping and SQL query result serialization. When operating the database, we can use the sqlx library to improve development efficiency.
9. viper
   viper is a configuration management tool that can help us manage and read application configuration information. Viper can easily read configuration files in different formats and provides a series of functions to obtain the values ​​of configuration items. When the application is initialized, we can use viper to read the configuration and use the corresponding configuration items in the code.

The above is an inventory of some tools that Golang developers must know. These tools can help us improve development efficiency, optimize performance, simplify code, etc. As Golang developers, being proficient in these tools will help us better develop and maintain our applications.

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