Compiler bug or incorrect usage for pointer of Struct?

[H. S. Teoh]

On Sat, Jan 13, 2018 at 12:22:17PM +0000, Heromyth via Digitalmars-d wrote:
[...]
> auto writerFor(OutRange)(auto ref OutRange outRange)
> {
>     auto res = Writer!(OutRange)();
>     res.setSink(outRange);
>     return res;
> }
> 
> struct Writer(OutRange)
> {
>     private OutRange* output;
> 
>     void setSink(ref OutRange output)
>     {
>         this.output = &output;
[...]

Here's the bug.  `output` refers to a local variable (parameter) in
writerFor(), which goes out of scope after writerFor() exits, so
this.output becomes a dangling pointer.


T

-- 
Public parking: euphemism for paid parking. -- Flora