Add support implicit conversion between types

[deadalnix]

On Friday, 6 September 2013 at 11:04:31 UTC, Peter Alexander 
wrote:
> On Friday, 6 September 2013 at 10:33:07 UTC, ilya-stromberg 
> wrote:
>> Do you have any plans to support implicit conversion between 
>> types?
>
> Implicit conversions open up a whole can of worms for the sake 
> of a small amount of convenience.
>
> I'm not sure it's a fair trade.

I think we should be able to do it, but in unconvenient ways.

Like alias this + a property.