https://github.com/romac/fixity-decl

🚧 User-defined fixity declarations with Megaparsec
https://github.com/romac/fixity-decl

haskell megaparsec

Last synced: about 1 month ago
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🚧 User-defined fixity declarations with Megaparsec

• Host: GitHub
• URL: https://github.com/romac/fixity-decl
• Owner: romac
• License: bsd-3-clause
• Created: 2016-12-17T22:10:37.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2017-01-24T12:51:22.000Z (over 8 years ago)
• Last Synced: 2025-04-12T13:19:04.622Z (about 1 month ago)
• Topics: haskell, megaparsec
• Language: Haskell
• Homepage:
• Size: 8.79 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        

> Just an experiment in handling Haskell-style user-defined fixity declarations with Megaparsec.

`test.fd`

```haskell

prefix -

postfix ++

infixl 6 +

infix ==

infixr 2 :

infixl !!

1+2 : 2+3 : -4 + 5++ : -6 : 123

```

    $ stack exec fixity-decl -- test.fd

    ((1 + 2) : ((2 + 3) : (((- 4) + (++ 5)) : ((- 6) : 123))))