Compiler bug?

[Daniel Kozak]

On Friday, 29 December 2017 at 08:02:36 UTC, IM wrote:
> On Friday, 29 December 2017 at 07:55:08 UTC, Daniel Kozak wrote:
>> But maybe you can propose cjange from ref R r to auto ref R r
>>
>
> If this will make it work with both lvalues and rvalues, then 
> yes, this would be a nice fix. No need to force users to cache 
> string line = readln(); first and then use it with 
> formattedRead().
>
>> https://dlang.org/spec/template.html#auto-ref-parameters
>>
>> On Fri, Dec 29, 2017 at 8:50 AM, Daniel Kozak 
>> <kozzi11 at gmail.com> wrote:
>>
>>> No it is not a bug, because
>>>  uint formattedRead(alias fmt, R, S...)(ref R r, auto ref S 
>>> args)
>>> could not match (there is a ref R r) so in your first example 
>>> you dont
>>> have lvalue but rvalue

https://github.com/dlang/phobos/pull/5971