Helping to find the usefulness of a proposal

Mark Mahieu markmahieu at
Thu Apr 2 14:53:23 PDT 2009

2009/4/2 Joe Darcy <Joe.Darcy at>
> Given the relative scarcity of prototypes, to say nothing of prototypes
> with a thorough test suite, we can at best make informed estimates of
> the difficulty of various changes, but I'm certain there will be
> surprises down the line, as there were for every JDK 5 language change.

I'd certainly like to see more prototypes, personally; I find them extremely
useful for getting to the details of a proposal.

However, is there any value in people building test suites even if they
can't put together an actual prototype to test them with?  I think there may


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