Is there any reason why in can't work with dynamic arrays?

[Brett]

On Tuesday, 17 September 2019 at 19:59:24 UTC, Patrick Schluter 
wrote:
> On Tuesday, 17 September 2019 at 17:43:39 UTC, Brett wrote:
>> T[] x;
>>
>> if (y in x) ...
>>
>> It just checks to see if y is in between 0 and length. Clearly 
>> y has to be an int and clearly the semantics are equivalent to 
>> AA and so it all works out rather than having an arbitrary 
>> special case.
>>
>> This is helpful when one has generate algorithms that can work 
>> with AA's or DA's that use in.
>
> This is the wrong forum for this kind of questions. Go to the 
> learn forum.

Perhaps you need to go to the learn forum Boss?