Interfaces + mixins => problem

[Thomas Kuehne]

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Tom S schrieb am 2006-05-02:
> IMHO the following code should either fail to compile or produce a 
> meaningful result:
>
> ----
> import std.stdio;
>
>
> interface Foo {
> 	template FooImpl() {
> 		void func();
> 	}
> 	mixin FooImpl foo;
> }
>
>
> interface Bar {
> 	template BarImpl() {
> 		void func();
> 	}
> 	mixin BarImpl bar;
> }
>
>
> class Baz : Foo, Bar {
> 	static template FooImpl() {
> 		void func() {
> 			writefln("FooImpl !");
> 		}
> 	}
> 	mixin FooImpl foo;
> 	
> 	
> 	static template BarImpl() {
> 		void func() {
> 			writefln("BarImpl !");
> 		}
> 	}
> 	mixin BarImpl bar;
> }
>
>
> void main() {
> 	Baz b = new Baz;
> 	Foo f = b;
> 	Bar r = b;
>
> 	f.func();
> 	r.func();
> }
> ----
>
>
> When ran, it prints:
> FooImpl !
> FooImpl !
>
> It would be really great if it outputed:
> FooImpl !
> BarImpl !
>
>
> If that's a problem, id rather it didn't compile at all...
> Thanks :)

Baz should fail to compile:
> If two different mixins are put in the same scope, and each define a
> declaration with the same name, there is an ambiguity error when the
> declaration is referenced.

Added to DStress as
http://dstress.kuehne.cn/nocompile/m/mixin_22_A.d
http://dstress.kuehne.cn/nocompile/m/mixin_22_B.d
http://dstress.kuehne.cn/nocompile/m/mixin_22_C.d
http://dstress.kuehne.cn/nocompile/m/mixin_22_D.d

Thomas


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