Kinds of containers

[Andrei Alexandrescu via Digitalmars-d]

On 10/21/2015 12:25 PM, Jonathan M Davis wrote:
> My experience with immutable containers is that their performance is
> trash precisely because you can't mutate them.

That's actually the experience in the Scala community. Over and again 
people start with immutable containers all over the place because 
they're cool, and end up with mutable containers because they work. -- 
Andrei