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New sub-command: `compile view` for off-chain view compilation

E. Rivas requested to merge er433/compile/view into dev

Motivation and Context



  • 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)


The new sub-command compile view allows to compile views directly. This can be useful for compiling off-chain views to be used in metadata:

$ cat off_view.mligo 
let main (p : int) (s : int) : operation list * int = [], p + s

let v (p : string) (s : int) : int = String.length p + s
$ ligo compile view off_view.mligo v --michelson-format json


  • 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 E. Rivas

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