reasonml / reasonml/reason

Custom indexing operator syntax

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Dominant language
OCaml
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Description

I tried to use let ( .%[]<- ) = Bytes.set but it's currently a syntax error on bs-platform 6 with Reason syntax. (Possibly related to #2270.)

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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 reproducing the let ( .%[]<- ) = Bytes.set example with Reason syntax on bs-platform 6. Compare the behavior with issue #2270 and trace the parser entry point for custom indexing operators. Done means the syntax is accepted and the resulting binding behaves as expected.

Written by the indexing model from the issue text.

Assessment

Tech stack
ocaml
Domain
compilers
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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