Rant after trying Rust a bit

[Jacob Carlborg via Digitalmars-d]

On 2015-07-24 08:42, Walter Bright wrote:

> It's a good question. And the answer is, the top level function does not
> list every interface used by the call tree. Nested function calls test
> at runtime if a particular interface is supported by an object, using
> dynamic casting or QueryInterface() calls. It's fundamentally different
> from traits and concepts.

If you have an interface and then doing a dynamic cast then you're doing 
it wrong. Yes, I know that there are code that uses this, yes I have 
done that too.

-- 
/Jacob Carlborg