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kotlinlang

I was working on

<https://github.com/kotest/kotest/issues/3848>

this issue unfortunately I think without gradle version update there cannot be java 21 support

However, when I was looking around code I found improvements I can make

1. provide support for other SortedSet besides TreeSet by check item implements `SortedSet` <https://docs.oracle.com/en/java/javase/17/docs/api/java.base/java/util/SortedSet.html|link>
2. add test if this shouldContainExactly supports LinkedHashSet and etc... because when looking at `ShouldContainExactlyTest` we can see there are no tests for TreeSet
can I make pr about this improvements?

Feel free to try adding support for other `SortedSet`s. :slightly_smiling_face: I'm not 100% it'll work when we use jvmTarget 1.8

as for those tests.. I think it would be a perfect fit to add some property tests for.. You could write an exhaustive generator that tries to create each type of sorted set where applicable.

<https://github.com/kotest/kotest/pull/3873>

I wrote pr for this!