rescript-lang / rescript-lang/rescript

Allow `_` as a record field name

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Dominant language
OCaml
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Description

_ isn't a valid name.

For:

type errorMessage = {
  _: string
}

I want to write a type for https://ajv.js.org/packages/ajv-errors.html#default-message

Contributor guide

Open the contributing guide

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 example type and locate the compiler validation for record field names. Confirm the desired behavior against the linked ajv-errors use case, then verify that a record field named _ compiles and can be used with the expected string value.

Written by the indexing model from the issue text.

Assessment

Tech stack
ocaml
Domain
compilers
Issue type
Feature
Difficulty
3/5
Estimated time
1-2 days
Activity status
Quiet
Clarity
Mostly clear
Newbie friendliness
48/100

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