Linked list as a bidirectional range? I have some questions...

[Gary Willoughby via Digitalmars-d-learn]

On Wednesday, 13 August 2014 at 19:43:20 UTC, H. S. Teoh via 
Digitalmars-d-learn wrote:
> On Wed, Aug 13, 2014 at 07:37:09PM +0000, Gary Willoughby via 
> Digitalmars-d-learn wrote:
>> On Wednesday, 13 August 2014 at 18:58:59 UTC, H. S. Teoh via
>> Digitalmars-d-learn wrote:
>> >On Wed, Aug 13, 2014 at 06:31:32PM +0000, Gary Willoughby via
>> >Digitalmars-d-learn wrote:
> [...]
>> >>I've used your advice and implemented a range over the list 
>> >>as
>> >>suggested, the problem being i cannot get it to pass the
>> >>isForwardRange check.
>> >>
>> >>Code: http://dpaste.dzfl.pl/cad89406bbcc#line-220
>> >>
>> >>You'll notice the assert on line 220 fails. Any idea what 
>> >>i'm doing
>> >>wrong?
>> >
>> >You need to put @property on .save.
>> >
>> >
>> >T
>> 
>> Gah! Thanks, i need sleep. :)
>
> No worries, the only reason I could pinpoint this almost 
> immediately was
> because I got bitten by exactly the same problem before, and it 
> took me
> *hours* to figure out what was wrong. :-/
>
>
> T

Thinking about it why should that matter when not compiled using 
-property? I'm guessing the template enforces it should be a 
property?