https://github.com/sheaf/groovy-lambda

VS Code color theme optimised for Haskell, based on Gruvbox Material.
https://github.com/sheaf/groovy-lambda

Last synced: 5 months ago
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VS Code color theme optimised for Haskell, based on Gruvbox Material.

• Host: GitHub
• URL: https://github.com/sheaf/groovy-lambda
• Owner: sheaf
• License: other
• Created: 2020-07-15T20:32:04.000Z (almost 6 years ago)
• Default Branch: master
• Last Pushed: 2022-04-17T15:53:33.000Z (about 4 years ago)
• Last Synced: 2025-09-18T13:33:32.083Z (9 months ago)
• Size: 142 KB
• Stars: 19
• Watchers: 3
• Forks: 3
• Open Issues: 0
• Metadata Files:
  • Readme: readme.md
  • Changelog: changelog.md
  • License: LICENSE

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README

          
# Groovy Lambda



  

    

  



__Groovy Lambda__ is a simple VS Code color theme optimised for __Haskell__, based on [__Gruvbox Material Dark__](https://github.com/sainnhe/gruvbox-material-vscode).

Supports the TextMate scopes provided by the [__Language Haskell__](https://github.com/JustusAdam/language-haskell) VS Code extension:

  * disambiguates between data constructors and types in data declarations,

  * visually clear appearance of qualified names,

  * distinguishes different uses of @: type application, record syntax or infix operator,

  * special highlighting for record fields,

  * highlights MagicHash and OverloadedLabels,

  * underlines recognised GHC language extensions.



  



# Installation

The theme can be installed directly from VS Code: search for `Groovy Lambda` in the extensions, and install.    

See also the its [VS Code marketplace page](https://marketplace.visualstudio.com/items?itemName=sheaf.groovylambda).

# Customisation

To change how something is highlighted, proceed as follows:

  * While browsing code containing highlighting you'd like to change, start the TextMate scope inspector as follows:

    - open the VS Code Command Palette (Ctrl+Shift+P),

    - start typing "Inspect Editor Tokens and Scopes" and select this item from the dropdown menu.

  * Click on the code whose highlighting you'd like to change; this will display the TextMate scopes associated to that piece of code. For instance, `if` in a Haskell source file is given the scope `keyword.control.if.haskell`.

  * Open your `settings.json` file:

    - open the VS Code Command Palette (Ctrl+Shift+P),

    - start typing "Open Settings (JSON)" and select this item from the dropdown menu.

  * Make the modifications by editing the value of `editor.tokenColorCustomizations` in your settings.

    For instance, to highlight `if` and `then` in red and `else` in blue, one would write:

```json

    "editor.tokenColorCustomizations": {

      "textMateRules": [

        {

          "scope": [ "keyword.control.if", "keyword.control.then" ],

          "settings": {

            "foreground": "#ff0000"

          }

        },

        {

          "scope": "keyword.control.else",

          "settings": {

            "foreground": "#0000ff"

          }

        }

      ]

    }

```