[swift-users] Memory used by enums

[Jonathan Hull via swift-users]

I had a quick question on the memory used by enums with associated values in 
the current implementation.  If I have an enum like the following:

enum MyEnum {
        case mostCommonlyUsed
        case somewhatCommon (Int,Int)
        case prettyRare (Int,Int,Int,Int,Int)
}

If this enum is going to be used by tens/hundreds of thousands of structs, am I 
actually saving any space by breaking out the rarer cases which store more data 
or is the footprint just equal to the largest case?

Thanks,
Jon
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