reasonml / reasonml/reason

UNKNOWN SYNTAX ERROR on misspelled keywords

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#2,113 1 comment 0 reactions 0 assignees View on GitHub

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Error messages
Dominant language
OCaml
Stars
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Forks
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Description

The following code produces a <UNKNOWN SYNTAX ERROR>:

let foo = (x) =>
  switchx (x) {
  | [] => []
  | _ => x
  };

A more realistic example (where I noticed this) is using incorrect keywords:

let foo = (x) =>
  match (x) {
  | [] => []
  | _ => x
  };

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First steps

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue names no files or tests. Start by reproducing both snippets and tracing how the parser reports misspelled keywords; done means the examples produce a specific, useful syntax diagnostic instead of .

Written by the indexing model from the issue text.

Assessment

Tech stack
ocaml
Domain
compilers
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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