Vim support for Reason/OCaml

Prerequisite

You'll need either Vim with Python 3 support, or Neovim. If you're on Vim with Python 2, please use our old plugin.

Features

This plugin simply uses our language server. Every feature is supported. Additionally, we provide the basics: snippets and syntax highlighting.

Installing

If you are using a plugin manager, add a line such as the following to your .vimrc:

" If using NeoBundle
NeoBundle 'reasonml-editor/vim-reason-plus'

" Or, if using Vundle
Bundle 'reasonml-editor/vim-reason-plus'

" Or, if using Vim-Plug
Plug 'reasonml-editor/vim-reason-plus'

You also need to install Vim/NeoVim's Language Client. Do follow its "Quick Start" section. The Reason configuration for that section is the following:

let g:LanguageClient_serverCommands = {
    \ 'reason': ['ocaml-language-server', '--stdio'],
    \ 'ocaml': ['ocaml-language-server', '--stdio'],
    \ }

If the Quick Start instructions didn't work, make sure you read the complete installation guide. It's probably a Python issue.

See its guide on calling the available features and assigning shortcuts to them, e.g. LanguageClient_textDocument_definition.

Configuration

Please follow LanguageClient-neovim's documentation on how to configure features. Here's an example configuration you'd put in .vimrc:

nnoremap <silent> gd :call LanguageClient_textDocument_definition()<cr>
nnoremap <silent> gf :call LanguageClient_textDocument_formatting()<cr>
nnoremap <silent> <cr> :call LanguageClient_textDocument_hover()<cr>

Triggering gf in normal mode would format the buffer.

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