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[Chore] Fix pretty printing of CameLIGO parametric types

Heitor Toledo Lassarote de Paula requested to merge heitor.toledo/chore-fix-cameligo-types-pp into dev

Motivation and Context

Related Issue(s): None.

Fix invalid code formatting on CameLIGO when using parametric types.

Description

See commit message.

Component

  • 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)

Changelog

Code using parametric types in CameLIGO would be formatted invalidly. For example, given this:

let id (type t) : t -> t = fun x -> x

After formatting, it would produce invalid code, like so:

let id(typet)  : t -> t = fun x -> x

This has now been fixed.

Checklist:

  • 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).

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