Should out/ref parameters require the caller to specify out/ref like in C#?

[Stanislav Blinov via Digitalmars-d]

On Tuesday, 30 May 2017 at 15:59:04 UTC, Andrei Alexandrescu 
wrote:
> On 05/30/2017 05:48 AM, Petar Kirov [ZombineDev] wrote:
>> On Tuesday, 30 May 2017 at 06:13:39 UTC, Stanislav Blinov 
>> wrote:
>>> On Tuesday, 30 May 2017 at 02:12:56 UTC, Jonathan M Davis 
>>> wrote:
>>>
>>>> That definition currently there is more precise than the 
>>>> definition on that page has been historically...
>>>
>>> Apparently, it is not. Do you have a reference to Walter's 
>>> change regarding `in` becoming just `const`? ...
>> Unfortunately, `in` was never implemented as `scope const`.
>
> Why would it need to be `const`? Thanks! -- Andrei

What do you mean?