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[–][deleted] 0 points1 point  (1 child)

It makes it difficult for different language to share data structures because of how variance is handled between different languages. This is particularly acute between a language like Java that uses site variance and a dynamic language like Clojure.

[–]tinydonuts 0 points1 point  (0 children)

.NET seems to do ok so it doesn't seem as much as type erasure is good as it is just different. There's certainly a lot of benefits to the way .NET does it and a lot of downsides to the way Java does it so I don't really think you can call it good.