purescript / purescript/pursuit

Pretty-print partially applied occurrences of Prim.Function

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#282 3 comments 0 reactions 0 assignees View on GitHub

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Dominant language
Haskell
Stars
174
Forks
47
PR merge metrics
No merged PRs in 30d

Description

Prim.Function has started coming out as Function rather than (->). This might need addressing in the compiler.

This isn't actually new behaviour. Pretty-printing of saturated applications of the type constructor (->) still work and pretty much always have, but partial applications of it (e.g. instance Category (->) or instance Functor ((->) r) have always been rendered as Function.

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing how Pursuit pretty-prints partially applied occurrences of Prim.Function and compare them with saturated (-�>) applications. The issue does not name a source file or test; done means partially applied forms such as instance Category (-�>) and instance Functor ((-�>) r) render as (-�>) rather than Function.

Written by the indexing model from the issue text.

Assessment

Tech stack
haskell
Domain
documentation
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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