finalisation
Timothy Rowledge
tim at sumeru.stanford.edu
Tue Jan 27 03:12:52 UTC 2004
On Jan 26, 2004, at 6:27 PM, Andreas Raab wrote:
> Hi Tim,
> [sip]
> Not quite completely true,
>
> Why not?
Well, for the reason I elucidated later in the message. Note that I'm
not claiming any rightness or wrongness in the approach, simply that
saying "you can't do it " isn't correct. Besides, we haven't had an
argument about something fun in ages. :-)
> [snip]
>
> Wouldn't matter one bit. (Am I really explaining myself so poorly?)
Yup; remember I'm having to cross-translate into Canadian these days,
eh?
[snip]
>
> file := self openFile:'foo.bar'.
> file == FailedResourceAllocationDoohickey
> ifTrue:[^self error: 'could not open file']. "or whatever"
> [self doSomethingWith: file] ensure:[file close].
I agree that that is pretty much how _I_ would choose to do it too but
if someone really preferred the pattern with the allocation inside the
ensured block then I feel sure it could be made to function adequately.
And I'd rather see a pattern I don't favour actually working than not
working; at least it doesn't mean broken functionality.
tim, eh.
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