fatih/vim-go

vim-go is a plugin for the Vim and Neovim text editors that adds full support for developing in Go, a programming language made by Google. Without this plugin, writing Go code in Vim is a basic text editing experience. With it, you get a much richer environment: the editor understands your code and can actively help you write it. The plugin lets you build, run, and test your Go programs directly from within the editor using simple commands. It adds smarter syntax highlighting (color-coding that makes code easier to read), code completion (suggestions that appear as you type), and the ability to jump directly to where a function or variable is defined. You can also look up documentation, automatically add or remove package imports (which are the bundles of external code your program uses), rename variables safely across your whole codebase, and check what percentage of your code is covered by tests. It also includes a debugger, which lets you step through your code line by line to find bugs, and various linters, tools that automatically check your code for common mistakes and style issues. vim-go integrates with gopls, the official Go language server (a background program that provides language-aware features), which it can share with other Vim plugins. It works with both Vim (version 8.2 or later) and Neovim and is installed like any other Vim plugin. It is open-source under the BSD 3-Clause license.