uvmhs's People
uvmhs's Issues
Suggestion: make `SubstM` an `ErrorT GError`
Unless there is a reason why this cannot be done, it would allow using the errSetLoc
type of techniques for implicit source location tracking.
Would it be agreeable to put a HasCallStack constraint on viewΩ?
Feels like it'd be nice to know where it failed when it does. @davdar
Happy to submit a PR if this is acceptable.
Documentation: Monad Transformers
The project should document how to use the various monad transformers, and associated combinators.
Emphasis should be placed on ways in which transformers differ from popular packages like mtl
. For example, no Traversable
means that certain patterns are different.
Documentation: Required Language Extensions
The project should document what the required language extensions are for UVMHS, and briefly say what they are used for.
Suggestion: lower bound on `base`
AFAICT, now that UVMHS uses Template Haskell's examineCode
, it is no longer compatible with GHC < 9.
Attempting to compile with, say, 8.10.7 proceeds for a while before hitting such a symbol and complains that it does not exist.
I think adding a >= 4.15
lower bound to base
would make this fail earlier.
Documentation: Parser Combinators
The project should document the parser combinator library.
Perhaps an example of developing a parser with all the fixings — left recursion, location information, … — and text explaining as you go.
David D can spin up a parser very quickly, but others can’t.
Documentation: Package Interoperability
The project should document how to interoperate with existing Haskell packages that don’t use UVMHS.
This could include things like…
- How to convert to / from Haskell types
- How to safely interact with infinite data structures (because UVMHS assumes strict Haskell)
- …
Hardcoding background color can be problematic
The following create a couple of issues:
- For users with a dark terminal, the foreground text is often white or close, resulting in almost zero contrast between background and foreground.
- Regardless of user background/foreground terminal, this also plays poorly with the current defaults, say for keywords.
In this screenshot, both effects can be seen, the double quotes, as well as the let
keyword, are barely legible.
I feel like this ought to be configured via PrettyParams, so that users can at least override it.
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