Exception Handling
Zulq Alam
zulq at orange.net
Mon Mar 20 20:12:27 UTC 2006
Hello,
I'm a bit confused about exception handling, perhaps you can help please?
If I have a method #foo and #foo can signal two errors FooError and
UnrelatedToFooError how do I handle both errors using #on:do: without
having something like...
[someObject foo]
on: Error
do: [:error | (error class = FooError) ifTrue: ["do something
specific to FooError"].
(error class = UnrelatedToFooError) ifTrue: ["do something
specific to UnrelatedToFooError"]].
In Java I would do something like
try {
somObject.foo();
}
catch (FooError e) {
// do something specific to FooError
}
catch (UnrelatedToFooError e) {
// do something specific to UnrelatedToFooError
}
Even if under the hood the same is happening this seems to take care of
some very common code.
Is there something in Smalltalk/Squeak will provide something similar?
Thanks,
Zulq.
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