Conditional Inheritance

[JS]

On Sunday, 14 July 2013 at 05:30:57 UTC, lomereiter wrote:
> On Sunday, 14 July 2013 at 05:04:37 UTC, JS wrote:
>> and while I'm at it I need to conditionally constrain types.
>>
>> interface A(T) where(!isBasicType!T, (T : B));
>>
>> which is suppose to require T to inherit from B if T is not 
>> basic type.
>
> interface A(T) if (isBasicType!T || is(T : B))

Thanks, works. I remember seeing code like this somewhere but 
couldn't find any docs about it.