Blog post : OOP composition with mixins

[jmh530 via Digitalmars-d-announce]

On Monday, 24 August 2015 at 11:10:16 UTC, Dicebot wrote:
> Rough summary of the talk I have given for recent Berlin D 
> meetup event:
> https://blog.dicebot.lv/posts/2015/08/OOP_composition_with_mixins

It seems like mixin templates can be used like alias this, but 
mixin templates are more general. When would I want to use alias 
this instead of a mixin template?