Microsoft/TypeScript
Parse error when using `in` nested in a `for` initializer
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#59,236 opened on 2024/07/11
BugDomain: ParserHelp Wanted
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説明
🔎 Search Terms
in for in init syntax error
🕗 Version & Regression Information
- This is the behavior in every version I tried
⏯ Playground Link
https://www.typescriptlang.org/play/?ts=5.5.3#code/GYewTgBAFAbghpOEC8EDaAjCBLAdhAYwF0BuEgShKA
💻 Code
for (var a = [b in c];;);
🙁 Actual behavior
It says "',' expected." at the in
🙂 Expected behavior
It should parse it properly
Additional information about the issue
No response