Mea Culpa

[kov_serg]

Jason House Wrote:
...
> 2. Any simplification of forcing non-null function inputs.
>    Example:
>      void foo(A a, B b, C c, D d)
>      in{
>        assert(a !is null, "foo can't accept null for 1st parameter");
>        assert(b !is null, "foo can't accept null for 2nd parameter");
>        assert(c !is null, "foo can't accept null for 3rd parameter");
>        assert(d !is null, "foo can't accept null for 4th parameter");
>      }
>      body{...}
> 
...
I wounder are rules "in" and "out" inherited for virtual function or I should write them every time? Is where any posibilities to inherits such rules except mixin?