Proposal: Collection Literals

Neal Gafter neal at
Tue Mar 31 00:03:08 PDT 2009

On Mon, Mar 30, 2009 at 7:29 PM, Joshua Bloch <jjb at> wrote:
> Sorry, I'm still confused.  Can you tell me what client code would cause
> trouble, or at least give me a few examples?

The form of the trouble would depend on precisely how reification is
done.  I don't really want to explore that design space here.  I'd
rather not constrain it either, though.  The basic point is that we
may want to allow programmers to write "collection" literals for the
reified types, but this proposal is written to return particular
existing interface types that are not reified.

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