alias this + std.array.popFront

[Tobias Pankrath]

On Friday, 29 March 2013 at 22:13:31 UTC, Tobias Pankrath wrote:
> Hello,
>
> the following struct is not an input range because you can't 
> call popFront on it, however I'd say you should be able to.
>
> struct Wrapper {
>     int[] _data;
>     alias _data this;
> }
>
> Bug or intended behaviour?
>
> Thank you!


The reason seems to be that, while is(DynamicArrayTypeOf!Wrapper 
== int[]) holds, isDynamicArray!Wrapper equals false, because 
isDynamicArray checks for !isAggregateType!Wrapper. Looks like a 
bug isDynamicArray to me.