shared interface ielement
{
    void func1();
}

shared interface iscreen : ielement
{
    void func2();
}

mixin class celementbase
{
    void func1()
    {
    }
}

class cscreen : celementbase, iscreen
{
    void func2()
    {
    }
}

void stuff( iscreen@ scr )
{
    scr.func1();
}

"No matching signatures to 'iscreen::func1()'".

rev1558

Thanks. I'll look into this.

I've fixed this problem in revision 1563.

Regards,

Andreas