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More tweaks to JsLIGO

Christian Rinderknecht requested to merge rinderknecht@more_updates_to_jsligo into dev

Motivation and Context

The recent refactoring of JsLIGO was a bit rushed towards the end. Some small ironing is needed.


  • [JsLIGO] Documented deep pattern matching.
  • [CameLIGO] Documented loops + enabled downto.
  • [CameLIGO] Added let mut to sequences in the parser.
  • [PascaLIGO] Removal of code snippets in the documentation.
  • Small fixes.


  • compiler
  • website
  • webide
  • vscode-plugin
  • debugger

Types of changes

  • Bug fix (non-breaking change which fixes an issue)
  • New feature (non-breaking change which adds functionality)
  • Breaking change (fix or feature that would cause existing functionality to not work as expected)
  • Performance improvement (non-breaking change that improves performance)
  • None (change with no changelog)


  • [JsLIGO] Documented do { ... } expression (in pattern matching).
  • [JsLIGO] Fixed pretty-printing of constant constructors.
  • [JsLIGO] Fixed spacing after pretty-printing of contract_of.


  • If a new syntax has been introduced, put a message on slack ligo-lsp
  • Changes follow the existing coding style (use dune @fmt to check).
  • Tests for the changes have been added (for bug fixes / feature).
  • Documentation has been updated.
  • Changelog description has been added (if appropriate).
  • Start titles under ## Changelog section with #### (if appropriate).
  • There is no image or uploaded file in changelog
  • Examples in changed behaviour have been added to the changelog (for breaking change / feature).
Edited by Christian Rinderknecht

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