Referencer

[HaraldZealot via Digitalmars-d]

On Friday, 20 November 2015 at 18:48:51 UTC, Alex Parrill wrote:
> On Friday, 20 November 2015 at 18:23:57 UTC, HaraldZealot wrote:
>
> I'm not sure how useful this is as opposed to plain pointers. 
> For structs, since `foo.bar` is the same as `(&foo).bar`, you 
> may as well use a pointer, and the only thing it saves for 
> numbers is a pointer deference or two.

I realized that for my initial purposes simple pointer simply 
work, but when I'm trying make as possible universal template as 
it can be, I discover that the main problem with direct operators 
(and this touches not only numbers).

>
> You say ranges are pass-by-value, but that's not entirely true. 
> Ranges themselves can be classes, or be made references via 
> std.range.refRange. Range elements can be made lvalues by using 
> ref functions [1].

Possible refRange is what I was looking for. Thanks.

>
> As for the code:
>
> * Your example usage (x = x += x = (x * 5)) is confusing, due 
> to the chained assignments.

This is special one of boundary cases, that clarify why is it so 
complicated to create full-functional wrapper.