That's not my point. A == B is not the same as A() instanceof B
given classes A and B due to substitutability. If A descends from B
then the former will be false but the latter true.
-bob
On Feb 16, 2006, at 11:48 AM, Ralf Bokelberg wrote:
> That's true Bob, maybe we should call it clazz (class is reserved)
> instead of ctor.
>
> Cheers,
> Ralf.
>
> Bob Ippolito wrote:
>
>> That's not equivalent. == on the ctor and instanceof on the instance
>> are not the same operation.
>>
>> -bob
>>
>> On Feb 16, 2006, at 9:02 AM, Ralf Bokelberg wrote:
>>
>>
>>> Here is another, more standard version:
>>>
>>> switch(model.ctor){
>>> case DivideSentenceStep1:
>>> case DivideSentenceStep2:
>>>
>>> }
>>>
>>> All you need to do is setting ctor to the real constructor of your
>>> class. But on the other hand case by type is bad smell anyway, maybe
>>> your classes should implement what's in the case.
>>>
>>> Cheers,
>>> Ralf.
>>>
>>>
>>>
>>> Dan Shryock wrote:
>>>
>>>> Nope, you're not missing anything, that was exactly my point
>>>> because
>>>> that's all people are getting by using the switch statement in the
>>>> way
>>>> that they are. The syntax that I suggested is actually the only
>>>> way of
>>>> doing that sort of logic in xsl and jstl (using xml format of
>>>> course).
>>>>
>>>> Dan
>>>>
>>>> On 2/16/06, *Scott Hyndman* <[EMAIL PROTECTED]
>>>> <mailto:[EMAIL PROTECTED]>>
>>>> wrote:
>>>>
>>>> That appears to be an "if, else if, else" statement with
>>>> different
>>>> words...and a seemingly unnecessary outer block (the choose).
>>>>
>>>> Am I missing something?
>>>>
>>>> Scott
>>>>
>>>> -----Original Message-----
>>>> From: [EMAIL PROTECTED]
>>>> <mailto:[EMAIL PROTECTED]> on behalf of Dan Shryock
>>>> Sent: Thu 2/16/2006 11:01 AM
>>>> To: Open Source Flash Mailing List
>>>> Cc:
>>>> Subject: Re: [osflash] switch - case
>>>>
>>>> IMHO it is an abuse simply because the syntax isn't necessarily
>>>> obvious for
>>>> someone who expects a case inside of a switch to match the
>>>> param to the
>>>> switch. Maybe we should all start lobbying the major c based
>>>> languages to
>>>> support a syntax like this ;)
>>>>
>>>> choose{
>>>> when(bla){
>>>> //...
>>>> }
>>>> when(bla2){
>>>> //...
>>>> }
>>>> otherwise{
>>>> //...
>>>> }
>>>> }
>>>>
>>>> Dan
>>>>
>>>> On 2/16/06, Evan < [EMAIL PROTECTED]
>>>> <mailto:[EMAIL PROTECTED]>> wrote:
>>>>
>>>>> I'm confused about you think that's an abuse of switch? That's a
>>>>
>>>> valid use
>>>>
>>>>> that's been used for YEARS in C programming, it's nothing new.
>>>>>
>>>>> -Evan
>>>>>
>>>>> On 2/15/06, Bob Ippolito <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>
>>>>
>>>> wrote:
>>>>
>>>>>>
>>>>>> On Feb 15, 2006, at 8:59 AM, Jos Yule wrote:
>>>>>>
>>>>>>
>>>>>>> Ralf Bokelberg wrote:
>>>>>>>
>>>>>>>> You can do it like this
>>>>>>>>
>>>>>>>> switch( true){
>>>>>>>> case (model instanceof DivideSentenceStep1):
>>>>>>>> //...
>>>>>>>> case (model instanceof DivideSentenceStep2):
>>>>>>>> //...
>>>>>>>> default:
>>>>>>>> //...
>>>>>>>> }
>>>>>>>
>>>>>>> That is very clever.
>>>>>>
>>>>>> Why the heck would you want to abuse switch like that?
>>>>>>
>>>>>> if (mode instanceof ...) {
>>>>>> // ...
>>>>>> } else if (mode instanceof ...) {
>>>>>> // ...
>>>>>> } else if (mode instanceof ...) {
>>>>>> // ...
>>>>>> } else {
>>>>>> // ...
>>>>>> }
>>>>>>
>>>>>> -bob
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> osflash mailing list
>>>>>> [email protected] <mailto:[email protected]>
>>>>>> http://osflash.org/mailman/listinfo/osflash_osflash.org
>>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> osflash mailing list
>>>>> [email protected] <mailto:[email protected]>
>>>>> http://osflash.org/mailman/listinfo/osflash_osflash.org
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>>
>>>>
>>>> _______________________________________________
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>>>> [email protected] <mailto:[email protected]>
>>>> http://osflash.org/mailman/listinfo/osflash_osflash.org
>>>>
>>>>
>>>>
>>>>
>>>> -------------------------------------------------------------------
>>>> --
>>>> ---
>>>>
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>>>
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>>
>>
>>
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