NoCopy for overriding @disable this(this)

[Eduard Staniloiu]

On Thursday, 12 April 2018 at 17:09:22 UTC, Shachar Shemesh wrote:
> On 12/04/18 18:42, Uknown wrote:
>> On Thursday, 12 April 2018 at 12:16:53 UTC, Shachar Shemesh 
>> wrote:
>>> [...]
>> 
>> The problem seems to be that cast is happening at compile 
>> time, as opposed to run time, as you might have already 
>> figured out. Do you need to really do this cast at compile 
>> time? I tried running the snippet you gave here: 
>> https://run.dlang.io/is/im19nL
>> 
>> Is this how you intend for it to be used? Then there's no need 
>> for compile time casts. If not, could you give an example of 
>> how `NoCopy` would be used?
>
> struct Disabled {
>   int i = 17;
>
>   @disable this(this);
> }
>
> struct Container {
>   NoCopy!Disabled disabled;
> }
>
> Any instance you create of "Container" will have i initialized 
> to 0 by default.

Since `T` has the postblit disabled, I'm guessing the ctor should 
take a `ref T`.

Since `T` has the postblit disabled, I'm guessing the ctor should 
take a `ref T`.