Traits

[luminousone]

On Saturday, 12 October 2013 at 11:50:05 UTC, Artur Skawina wrote:
> On 10/12/13 13:42, Artur Skawina wrote:
>>    template isBaseOf(BASE, C) {
>>       static if (is(C S == super))
>>          enum isBaseOf = {
>>             foreach (A; S)
>>                static if (is(A==BASE))
>>                   return true;
>>             return is(C==BASE);
>>          }();
>>       else
>>          enum isBaseOf = is(C==BASE);
>>    }
>
> That was too verbose.
>
>    template isBaseOf(BASE, C) {
>       enum isBaseOf = {
>          static if (is(C S == super))
>             foreach (A; S)
>                static if (is(A==BASE))
>                   return true;
>          return is(C==BASE);
>       }();
>    }
>
> artur

I like that! Avoids importing std.traits, And will correctly 
handle interfaces as well.