Fix TypeAlias.isRecursive algorithm #87
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This fixes an issue where a typealias might incorrectly be marked as recurisve.
stackoverflow
approved these changes
Feb 12, 2025
| return true | ||
| } | ||
| seen.add(this) | ||
| return body.isRecursive(seen, context).also { seen.remove(this) } |
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That's why mutability is evil :)
Your solution works, but I think using a immutable set is more elegant, and the recursion will never be so deep that performance will matter.
private fun PklTypeAlias.isRecursive(
seen: Set<PklTypeAlias>,
context: PklProject?
): Boolean = seen.contains(this) || body.isRecursive(seen + this, context)There was a problem hiding this comment.
I considered doing this too. Yeah; I'm fine with either approach, and this is a cached operation anyway.
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This fixes an issue where a typealias might incorrectly be marked as recurisve.