@noreturn?

[Alex Rønne Petersen]

On 14-05-2012 23:59, Timon Gehr wrote:
> On 05/13/2012 06:13 PM, Alex Rønne Petersen wrote:
>> Hi,
>>
>> If memory serves me right, there were some proposals in the past to add
>> a @noreturn attribute to the language. Where did this go?
>>
>> In writing unwinding mechanisms for my VM, I find myself actually
>> needing some sort of @noreturn function attribute that would tell the
>> compiler that the function does not return, rather than having to insert
>> an assert(false); statement.
>>
>
> What about making the compiler detect this pattern instead of adding an
> attribute? I think it expresses exactly what you want to express, and it
> does not require additional syntax.
>
> void foo()out{ assert(false); }body{ ... }

While that might be an easier way to do it, I'm not sure if that would 
have unintended side-effects (admittedly, I can't think of any upfront).

-- 
- Alex