把vim当做golang的IDE
开始决定丢弃鼠标，所以准备用vim了。那么在vim里面如何搭建golang环境呢？
git盛行之下，搭建vim环境是如此简单。
而且vim搭建好了之后，基本上跟IDE没有差别。
高亮、自动补全、自动格式化、查看定义跳转、语法检测等等等等, 简直是不要不要的：
[*]Improved Syntax highlighting with items such as Functions, Operators, Methods.
[*]Auto completion support via gocode
[*]Better gofmt on save, which keeps cursor position and doesn't break your undo history
[*]Go to symbol/declaration with :GoDef
[*]Look up documentation with :GoDoc inside Vim or open it in browser
[*]Automatically import packages via :GoImport or plug it into autosave
[*]Compile your package with :GoBuild, install it with :GoInstall or test them with :GoTest (also supports running single tests via :GoTestFunc)
[*]Quickly execute your current file/files with :GoRun
[*]Automatic GOPATH detection based on the directory structure (i.e. gb projects, godep vendored projects)
[*]Change or display GOPATH with :GoPath
[*]Create a coverage profile and display annotated source code in browser to see which functions are covered with:GoCoverage
[*]Call gometalinter with :GoMetaLinter, which invokes all possible linters (golint, vet, errcheck, deadcode, etc..) and shows the warnings/errors
[*]Lint your code with :GoLint
[*]Run your code through :GoVet to catch static errors
[*]Advanced source analysis tools utilizing oracle, such as :GoImplements, :GoCallees, and :GoReferrers
[*]Precise type-safe renaming of>:GoRename
[*]List all source files and dependencies
[*]Unchecked error checking with :GoErrCheck
[*]Integrated and improved snippets, supporting ultisnips or neosnippet
[*]Share your current code to play.golang.org with :GoPlay
[*]On-the-fly type information about the word under the cursor. Plug it into your custom vim function.
[*]Go asm formatting on save
[*]Tagbar support to show tags of the source code in a sidebar with gotags
[*]Custom vim text objects such as a function or inner function list.
[*]A async launcher for the go command is implemented for Neovim, fully async building and testing (beta).
[*]Integrated with the Neovim terminal, launch :GoRun and other go commands in their own new terminal. (beta)
[*]Alternate between implementation and test code with :GoAlternate
安装起来也非常方便，只要一下三行代码：
#下载安装 git clone git@github.com:farazdagi/vim-go-ide.git ~/.vim_go_runtime
sh ~/.vim_go_runtime/bin/install
#运行
vim -u ~/.vimrc.go
PS：
a）这里要求vim 要开启lua：
brew install vim --with-lua --override-system-vim
b）如果需要类解析，需要转ctag
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2016-10-20补充
如果把go升级到go1.7，这里的函数 auto-complete 会显示PANIC不能显示任何的系统库对应的函数和自定义的函数
这里需要做一件事情，可以恢复
ps aux | grep gocode
#存在就干掉
killall gocode
#重启
gocode
或者采用以下方式
gocode close && go get -u github.com/nsf/gocode
参考这里：https://github.com/fatih/vim-go/issues/1015
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原文：http://farazdagi.com/blog/2015/vim-as-golang-ide/
效果如下：
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