return-from-lambda viewed as dangerous, good alternatives

[Mark Thornton]

Neal Gafter wrote:
> On Tue, Jan 12, 2010 at 7:39 AM,  <David.Moss at ubs.com> wrote:
>   
>>> Your proposed syntax isn't transparent.
>>>       
>> No, It is not. But it is transparent enough, and follows the rule of
>> least surprise.
>>     
>
> Actually, it isn't transparent at all.
>
> You seem to be confusing the goal of transparency with elements needed
> to achieve it (e.g. return from the enclosing method), and then
> proposing a way to get the latter such that it doesn't satisfy the
> requirements of the former.
>
> If you're interested in further analysis, we can continue this
> discussion on the closures-dev mailing list.
>
>   
Are there any important uses for non local returns other than control 
abstraction?

Mark