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My collection of Haskell snippets for LuaSnip.
Powered by tree-sitter and LSP.

🦥

[![Neovim][neovim-shield]][neovim-url] [![Lua][lua-shield]][lua-url] [![Haskell][haskell-shield]][haskell-url] [![Nix][nix-shield]][nix-url]

[![GPL2 License][license-shield]][license-url] [![Issues][issues-shield]][issues-url] [![Build Status][ci-shield]][ci-url] [![LuaRocks][luarocks-shield]][luarocks-url]

Quick Links

• Installation
• Quick Setup
• Snippets
• Recommendations
• Contributing

Installation

Use luarocks or your favourite plugin manager.

Required

• neovim >= 0.8
• luasnip

Optional

• haskell-language-server

• A Haskell tree-sitter parser or

Quick setup

Add the following to your LuaSnip setup.

local ls = require('luasnip')
ls.setup {
  -- Add your LuaSnip config
}
local haskell_snippets = require('haskell-snippets').all
ls.addsnippets('haskell', haskellsnippets, { key = 'haskell' })

[!NOTE]

See also :h haskell-snippets

Snippets

[!NOTE]

- The recording software ttyrec

sometimes has some visual glitches.

- Many snippets provided by this plugin use choice nodes

recursively.

Pragmas

haskell-snippets.pragmas.prag

• Trigger: prag

haskell-snippets.pragmas.lang

• Trigger: lang

haskell-snippets.pragmas.discover

• Trigger: discover

haskell-snippets.pragmas.nowarn

• Trigger: nowarn

Module and imports

haskell-snippets.module.mod

• Trigger: mod

haskell-snippets.module.qual

• Trigger: qual

haskell-snippets.module.impc

• Trigger: impc
• Requires a tree-sitter parser for Haskell.

haskell-snippets.module.qualc

• Trigger: qualc
• Requires a tree-sitter parser for Haskell.

Data and typeclasses

haskell-snippets.data.adt

• Trigger: adt

haskell-snippets.data.newtype

• Trigger: new

haskell-snippets.data.rec

• Trigger: rec

haskell-snippets.data.cls

• Trigger: cls

haskell-snippets.data.ins

• Trigger: ins

haskell-snippets.data.constraint

• Trigger: =>

Functions

haskell-snippets.functions.fn

• Trigger: fn

haskell-snippets.functions.func

• Trigger: func

haskell-snippets.functions.lambda

• Trigger: \

Expressions

haskell-snippets.expressions.if_expr

• Trigger: if

haskell-snippets.expressions.ifexprmultiline

• Trigger: iff

• Trigger: case

haskell-snippets.expressions.ifexprmultiway

• Trigger: ifmw

haskell-snippets.expressions.lambdacase

• Trigger: \case

QuasiQuotes

haskell-snippets.quasiquotes.qq

• Trigger: qq

haskell-snippets.quasiquotes.sql

• Trigger: sql

Contributing

All contributions are welcome! See CONTRIBUTING.md.

Recommendations

Here are some other plugins I recommend for Haskell development:

• mrcjkb/haskell-tools.nvim:

• neotest-haskell:

• luc-tielen/telescope_hoogle:

[neovim-shield]: https://img.shields.io/badge/NeoVim-%2357A143.svg?&style=for-the-badge&logo=neovim&logoColor=white [neovim-url]: https://neovim.io/ [lua-shield]: https://img.shields.io/badge/lua-%232C2D72.svg?style=for-the-badge&logo=lua&logoColor=white [lua-url]: https://www.lua.org/ [nix-shield]: https://img.shields.io/badge/nix-0175C2?style=for-the-badge&logo=NixOS&logoColor=white [nix-url]: https://nixos.org/ [haskell-shield]: https://img.shields.io/badge/Haskell-5e5086?style=for-the-badge&logo=haskell&logoColor=white [haskell-url]: https://www.haskell.org/ [issues-shield]: https://img.shields.io/github/issues/mrcjkb/haskell-snippets.nvim.svg?style=for-the-badge [issues-url]: https://github.com/mrcjkb/haskell-snippets.nvim/issues [license-shield]: https://img.shields.io/github/license/mrcjkb/haskell-snippets.nvim.svg?style=for-the-badge [license-url]: https://github.com/mrcjkb/haskell-snippets.nvim/blob/master/LICENSE [ci-shield]: https://img.shields.io/github/actions/workflow/status/mrcjkb/haskell-snippets.nvim/nix-build.yml?style=for-the-badge [ci-url]: https://github.com/mrcjkb/haskell-snippets.nvim/actions/workflows/nix-build.yml [luarocks-shield]: https://img.shields.io/luarocks/v/MrcJkb/haskell-snippets.nvim?logo=lua&color=purple&style=for-the-badge [luarocks-url]: https://luarocks.org/modules/MrcJkb/haskell-snippets.nvim