Expanding the horizons of D purity

[deadalnix]

On Friday, 1 November 2013 at 17:21:07 UTC, H. S. Teoh wrote:
>> The second one is the inout problem. Qualifier in output may 
>> reflect
>> the one in inputs. inout solve this for some type qualifiers, 
>> but
>> sometime is ambiguous and does nothing for the problem at 
>> large.
>
> I'm not sure what inout has to do with purity. It's another can 
> o' worms
> that I'm avoiding to open, at the moment. :P
>

That is the same problem. You won't understand it unless you open 
the can of worms.