On Sun, 25 Jan 2009 16:43:55 +1300, John Reimer <terminal.n...@gmail.com>
wrote:
With this code:
--------------------------------
module test5;
interface I
{
void foo();
}
class A : I {
void foo() { }
}
class B : A, I
{
alias A.foo foo;
}
void main()
{
}
--------------------------------
I get this error:
--------------------------------
class test5.B interface function I.foo is not implemented
--------------------------------
Does this make sense? I mean, shouldn't the explicit reuse of A.foo in
B be sufficient indication to the compiler that B is satisfying the
contract I? I'm hoping to make use of such subtleties in some code,
but first I have to understand the reasoning behind this. :)
Note that this works if I remove the interface I from B's declaration --
ie "class B: A" -- since, in the D language, B is not required to
fulfull A's interface contract even though it inherits from it. -JJR
It look like the real bug is re-allowing B to implement interface I but
sometimes bug do get reported differently. Why don't you remove I from B's
declaration like you said that works. It actually says here
http://www.digitalmars.com/d/1.0/interface.html "Classes cannot derive
from an interface multiple times."
