Haskell-language-server
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haskell-language-server (HLS) is a GHC-oriented implementation of the Language Server Protocol (LSP).
Features
- Generate explicit import lists
- Evaluate code in comments with a click
- Generates class instance stubs[1]
Installation
Ghcup can install HLS, but after installation, you'll need to integrate it with an editor. The README.md offers instructions for how to integrate with VSCode/SublimeText/Vim/Neovim/Atom/Emacs. Note that you may also need to add some options in your project configuration. The README also covers that.
History
In January 2020, Neil Mitchell wrote a blog post announcing the combination of the Haskell IDE and Ghcide teams.[2] Over time, this project became the HLS, which allows it to be used with many IDEs and code editors.