Original Address: https://gcnyin.github.io/2019/09/08/vim-and-haskell.html and https://www.cnblogs.com/estrigriac/p/11495782.html
The first step is to install the original vim, we recommend the use of newer version 8.1+.
brew install vim
Write haskell need to install the plug-in, vim no native plug-in management system, so you have to get this.
It is recommended to use vim-plug installation. According to official https://github.com/junegunn/vim-plug it is given command to install success.
Open ~ / .vimrc, if you installed vim-plug in accordance with vim-plug official recommended steps, .vimrc should look something like this.
call plug#begin('~/.vim/plugged')
call plug#end()
Add a row in the middle, adding stylish-haskell https://github.com/jaspervdj/stylish-haskell.
call plug#begin('~/.vim/plugged')
Plug 'jaspervdj/stylish-haskell' call plug#end()
Then in vim performing :PlugInstall
installation.
Of course, this plugin is not able at this time, because it relies on command-line tool, you can see the details of the official documentation.
Well, here you should master the basic method to install the vim plugin.