Proposal: Automatic Resource Management (original) (raw)

Neal Gafter neal at gafter.com
Sun Mar 8 08:14:53 PDT 2009

On Sat, Mar 7, 2009 at 11:58 PM, Jeremy Manson <jeremy.manson at gmail.com> wrote:

I am aware Lock is an interface.  You wouldn't actually change the Lock interface, you would change the classes.  Just as they retrofit Iterable everywhere.

Iterable was retrofitted onto the collection interfaces as well as the classes. That's necessary to allow programmers to continue to program against interfaces rather than concrete classes. A proposal that retrofits behavior on classes but not the related interfaces guides programmers away from the preferred idiom of programming against an interface.

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