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

[H. S. Teoh via Digitalmars-d-learn]

On Wed, Aug 13, 2014 at 07:23:30PM +0000, 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.
> 
> Hmm...
> 
>     struct Result {
>         public @property auto save1() {
>             return this;
>         }
>         public auto save2() {
>             return this;
>         }
>     }
> 
>     pragma(msg, typeof(Result.init.save1));
>     pragma(msg, typeof(Result.init.save2));
> 
> This outputs:
> 
>     Result
>     Result()
> 
> `Result()` looks bogus.

File a bug. :-)

	https://issues.dlang.org/enter_bug.cgi


T

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