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by zvrba 1750 days ago
> Note that in Kotlin the return type is `Int?`, not `Int`.

How does that fare with unnecessary boxing of primitives?
1 comments
kreetx 1750 days ago
If the function isn't total (as in: for every string there is an int) then the boxing is necessary, no?
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zvrba 1750 days ago
Not if you have user-defined value types (soon coming to Java).
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