Please also see:
http://blog.lostlake.org/index.php?/archives/50-The-Scala-Option-class-and-how-lift-uses-it.html
Can[T] is just like Option[T]
Marius wrote:
> to get stuff out of a can you can do:
>
> 1. Pattern matching
>
> having c a Can[String]
>
> c match {
> case Full(value) => //do something with the value
> case _ =>
> }
>
> 2. call open_!(if you're sure your can is not empty) or openOr
>
> Br's,
> Marius
>
> On Oct 15, 3:22 am, "Charles F. Munat" <[EMAIL PROTECTED]> wrote:
>
>> I must be very dense, but these cans are kicking my butt (kicking my
>> can?). No matter what I do, I seem to end up with everything back in the
>> can! I just... want... to get... the goodies... OUT!
>>
>> An example:
>>
>> How do I extract the URI of the current page from S.request?
>>
>> I am currently doing something immensely stupid and wrong like this:
>>
>> S.request.toList.head.location.toList.head.createDefaultLink.toList.head.text
>>
>> I *know* this is way wrong, but I'm not clever enough, apparently, to
>> figure out the puzzle, despite reading through the Can code repeatedly.
>> I figure the above works only because what I'm looking for is there,
>> which sort of defeats the purpose of the cans...
>>
>> Can anyone help? This is driving me insane.
>>
>> Chas.
>>
> >
>
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