[GitHub] [lucene] rmuir commented on pull request #12286: toposort use iterator to avoid stackoverflow

["rmuir (via GitHub)" <gi...@apache.org>]

rmuir commented on PR #12286:
URL: https://github.com/apache/lucene/pull/12286#issuecomment-1545027201

   i really like it, thanks for doing this! 
   
   code is still simple, but more robust (heap instead of stack!) and the cycle detection is a really nice bonus. thanks for the unit test for that.
   
   i made a cosmetic suggestion.
   
   Also, should we add a basic test that the toposort works correctly to TestOperations? TestAutomaton does exercise it too, but I'm not sure how well or how easy to debug if it fails :)


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