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`no implicit conversion of nil into Integer (TypeError)`

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
35/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
ruby, wasm
Domain
backend

Research direction

Start by reproducing the Set.new([1]).include?(JS::True) example and trace where the type conversion failure becomes a TypeError. The issue names no files or tests; done means the failure reports a clearer error message for this conversion case.

Written by the indexing model from the issue text.

Description

We should report better error message for type conversion failure

e.g.

Set.new([1]).include?(JS::True)
Dominant language
Ruby
Stars
875
Forks
68
Avg merge
9d 5h
Merged PRs (30d)
1

Getting set up

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.

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