shared interfaces

[Andrey Derzhavin via Digitalmars-d-learn]

On Sunday, 15 February 2015 at 14:59:20 UTC, anonymous wrote:

> Hm? Works for me. What error do you get, or what doesn't work? 
> Which compiler are you using, which version?


The error "Error: function main.C.fnA does not
override any function, did you mean to override 'main.IA.fnA'?" 
has occured ((
I'm using DMD 2.066.1 compiler.