RFR(m): updated: JEP 269 initial API and skeleton implementation (JDK-8139232)

[Stuart Marks]

On 12/8/15 6:58 AM, Maurizio Cimadamore wrote:
> I'm not too worried about the fact that typing 'EnumSet' is more verbose than
> just 'Set', obviously; but it would seem reasonable to try (within reasonable
> bounds) to provide uniform way to create collections and a smooth user experience.
>
> I think with the current status quo, we have that:
>
> Set.of(A, B, C) != EnumSet.of(A, B, C)
>
> and that's surprising, IMHO. At the same time I notice that, even with the
> overload I suggest, they would still be different beasts, as one would be
> mutable, while the other would not.
>
> That said, I think we should aim for an API where such bad surprises are avoided
> (why is my enumset so slow? Ah - it's not an enumset because I used the wrong
> XYZ.of method); unfortunately I don't have a good suggestion on how to get there
> :-( (which might mean that what you did is correct :-) )

Hm. OK, it's not obvious to me what should be done here, but there are enough 
things going on that I thought it was reasonable to open an RFE to cover this 
space. See

https://bugs.openjdk.java.net/browse/JDK-8145048

Feel free to add comments.

s'marks