ppx: Antiquotation in an attribute argument is currently unsupported
Open
Nobody has claimed this yet.
enhancement
syntax extension
- Dominant language
- OCaml
- Stars
- 179
- Forks
- 63
- Avg merge
- 5h
- Merged PRs (30d)
- 22
Description
Using the ppx, the following pattern, which would be nice to have, is currently unsupported:
# fun extra_classes -> [%html {| <a class="foo bar |} extra_classes {|"></a>|}];;
Error: Error: Mixing literals and OCaml expressions is not supported in attribute values
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the OCaml PPX example from the issue and inspect the attribute-value handling that emits “Mixing literals and OCaml expressions is not supported.” Done means the shown [%html] expression accepts an antiquated expression mixed with literal attribute text without that error.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- ocaml
- Domain
- compilers
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100