Conditional Inheritance

[JS]

On Sunday, 14 July 2013 at 09:52:29 UTC, Simen Kjaeraas wrote:
> On 2013-07-14, 07:40, JS wrote:
>
>> 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.
>
> Here. I admit there should probably be more examples, and 
> perhaps also
> some info on the classes/interfaces/structs & unions pages.
>
> http://dlang.org/template.html#Constraint

thanks.