import std.stdio;

​

mixin template namespaced(symbols...)

{

    import std.format;

​

    static foreach (i, symbol; symbols)

        mixin("alias %s = symbols[%d];".format(__traits(identifier, symbol), i));

}

​

enum A { X = 1, Y = 2, Z = 3 }

enum B { X = 2, Y = 4, Z = 6 }

​

mixin namespaced!(A, B) Foo;

mixin namespaced!Foo Bar;

​

void main()

{

    writeln(Foo.A.X + Foo.A.Y + Foo.A.Z);

    writeln(Foo.B.X + Foo.B.Y + Foo.B.Z);

    writeln(cast(int) Bar.Foo.A.X);

    writeln(cast(int) Bar.Foo.B.X);

}