How to do Golang development in Vim

Vim is a powerful text editor and one of the tools often used by programmers. When learning and using programming languages, using the Vim editor can improve our efficiency and comfort. For the development of Golang language, Vim also provides convenient support. This article will introduce how to do Golang development in Vim.

1. Install Golang environment

Before using Vim for Golang development, we first need to install the Golang environment. Golang can be downloaded and installed on the Golang official website.

After the installation is completed, you can enter the following command through the command line to check whether Golang is installed successfully:

go version

If the installation is successful, something similar to the following will be output:

go version go1.16.3 linux/amd64

2. Installation vim-go plug-in

vim-go is a plug-in that provides Golang support for Vim. It can provide tools such as gofmt, goimports, gocode, etc. This plugin can be installed through plugin managers such as Vundle or vim-plug.

To use Vundle to manage plug-ins, you need to add the following content to $HOME/.vimrc:

Plugin 'fatih/vim-go'

To use vim-plug to manage plug-ins, you need to add the following content to $HOME/.vimrc:

Plug 'fatih/vim-go'

You can then execute the following command to install the plug-in:

:PluginInstall
PlugInstall

3. Pre-steps

Before using the vim-go plug-in, you first need to install the following components ：

go get -u golang.org/x/tools/cmd/godoc
go get -u golang.org/x/tools/cmd/goimports
go get -u golang.org/x/tools/cmd/vet
go get -u golang.org/x/tools/cmd/gorename
go get -u golang.org/x/tools/cmd/guru
go get -u golang.org/x/lint/golint
go get -u github.com/nsf/gocode
go get -u github.com/rogpeppe/godef

4. Common commands

After using the vim-go plug-in, we can use multiple commands for Golang development. The following are several commonly used commands:

• :GoBuild: Build the Go application and output error information to the Quickfix window.
• :GoInstall: Install the current package into the $GOPATH/pkg directory and install the executable program into the $GOPATH/bin directory.
• :GoTest: Use the go test command to test the current package or a subdirectory of the package. This command outputs error information or test results to the Quickfix window.
• :GoRun: Use the go run command to run the current program.
• :GoFmt: Use gofmt to format the current Go code.
• :GoImport: Use goimports to automatically add or remove import items.

5. Shortcut keys

After using the vim-go plug-in, we can also use multiple shortcut keys for Golang development. The following are several commonly used shortcut keys:

• gd: jump to definition
• gf: open file
• gi: generate import statement
• ,r: Run the current program
• , T: Run the test case in the current package
• , x: Build and run the current program
• , f: Format the current file

Summary: When using Vim for Golang development, you can use the vim-go plug-in to provide more convenient support. Proficient use of the commands and shortcut keys provided in the vim-go plug-in can improve our development efficiency.

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