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kotlinlang

I love the NonEmptyList class of the arrow-core library. It statically ensures the presence of at least one element.
What do you think about introducing a NonEmptySet class extending the Set interface? Haskell seems to have an equivalent too.

<https://github.com/arrow-kt/arrow/issues/2565|https://github.com/arrow-kt/arrow/issues/2565>

PRs are welcome I guess :wink:

I tried to open an issue at arrow-core but they were read only and the guide on how to contribute was broken, but thx

The projects moved to multi-repo for a while, it's why arrow-core excited. Now they are back to monorepo setup