Proposal: Automatic Resource Management (original) (raw)

Neal Gafter neal at gafter.com
Sat Feb 28 11:27:19 PST 2009

On Sat, Feb 28, 2009 at 11:08 AM, Joshua Bloch <jjb at google.com> wrote:

 Particularly concerning to me is the fact that this translation would sometimes silently swallow exceptions indicating serious program failures Unless I am missing something, the construct only "silently swallows" exceptions when they are intentionally suppressed in favor of prior exceptions, which typically indicate more serious problems.

The language construct as you specified it has no way to determine which exception is more serious. For example, a VM failure, such as an out-of-memory condition on the close(), is more serious than a closed connection on a particular write. The "solution" you proposed for this is unlikely to help. I understand that this was intentional on your part, but it is still a serious problem with the proposal that should be called out.

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