rescript-lang / rescript-lang/rescript

Spreading an object affects interpretation of its optional fields

Open
#8,245 1 comment 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

Dominant language
OCaml
Stars
7.5k
Forks
485
Avg merge
1d 2h
Merged PRs (30d)
55

Description

It appears spreading an object affects how its optional fields are being interpreted compared to not spreading the object. Not sure if this is intentional but it really feels like a bug.

See playground here

This happens in latest 13 alpha too

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 with the linked ReScript playground and compare the optional-field interpretation for the spread and non-spread versions shown there. Determine whether the difference is intentional, then establish the expected behavior and verify the same case against the latest version, including regression coverage if the issue is confirmed.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript, ocaml
Domain
compilers
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.