On 03/26/2011 11:11 AM, Paolo Bonzini wrote:
> Yes, your original idea of returning 0 now is correct. checkError will return
> 0 for you:
What about the following?
> + ifFail: [self checkError].
ifFail: [SystemExceptions.EndOfStream signalOn: self]
E.g. if I use socket nextLine I will now get a '' as the result that I would
need to handle specially. I am talking to a server right now and I know that
it needs to send 'username: ' right now and my code is doing something like:
[
tmp := socket nextPart. "like nextLine but also checks for $:"
tmp = 'username' ifFalse: [^self error: '']
] on: SystemExceptions.EndOfStream do: [].
With the proposed change to add ifFail: [self checkError] I will now either
need to do:
[
] on: SystemExceptions.EndOfStream do: []
on: Error do: [].
or
tmp := socket nextPart.
(tmp isEmpty and: [socket atEnd]) ifTrue: [graceful exit]
or move the graceful part into nextLine and nextPart, and would need to
differentiate if nextLine has actually read anything at all.
what do you think?
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