Multi-associative array

[Max Klyga]

On 2014-02-23 03:10:23 +0000, Etienne Cimon said:

> Would it eventually be in the making for D to have associative arrays 
> like string[string, int, Item]?
> 
> If it hasn't been planned, I'd say it would be great to have an API 
> that allows it to carry functionality of Boost Multi Index
> 
> Thoughts?

Wanted to recomend using tuples, but it seems TypeInfo.compare is not 
implemented for tuples.
Not sure it its a bug or is it fixed in current compiler versions.