Set up your editor for Unison

LSP Integration

As of UCM version M4a, the UCM supports the Language Server Protocol. Features like in-editor error reporting, show-type-on-hover, and autocompletion are implemented, with more to come! Instructions for installing the UCM with LSP support are available here

Vim

Using vim-plug:

1. Install vim-plug if you haven't already.
2. Add the following to your .vimrc:

Plug 'unisonweb/unison', { 'branch': 'trunk', 'rtp': 'editor-support/vim' }

3. Issue the vim command :PlugInstall.

For more information run :help unison from within vim or view the online help doc.

NeoVim

Using lazy.nvim:

1. Install lazy.nvim if you haven't already.
2. Add the following to your init.lua:

require("lazy").setup({
  {
    -- Unison
    "unisonweb/unison",
    branch = "trunk",
    config = function(plugin)
        vim.opt.rtp:append(plugin.dir .. "/editor-support/vim")
        require("lazy.core.loader").packadd(plugin.dir .. "/editor-support/vim")
    end,
    init = function(plugin)
         require("lazy.core.loader").ftdetect(plugin.dir .. "/editor-support/vim")
    end,
  }
})

3. Issue the vim command :Lazy.

Optionally you can setup an LSP Server.

Atom

From the console, run:

apm install unisonweb/atom-unison

VS Code

1. Install the Unison extension for VS Code

Emacs

There are currently two different ways to use Unison in Emacs. Both work with Unison’s LSP integration.