Re: Restriction on interface function types

[Steven Schveighoffer]

On Wed, 12 Mar 2014 06:57:08 -0400, Steve Teale  
<steve.te...@britseyeview.com> wrote:

interface I
{
    auto myType();
}
class A: I
{
    auto myType() { return cast(A) null; }
}

void main()
{
    I x = getSomeI();
    typeof(x.myType()) y;
}

What you want simply isn't possible. An interface binds at runtime, and  
you need to declare types at compile-time. You can't use an interface  
method to define the type of y.

-Steve