C++ std::map equivalent? (An in-order iterable associative container)

[Dicebot via Digitalmars-d-learn]

On Sunday, 4 May 2014 at 22:25:36 UTC, bearophile wrote:
> Dicebot:
>
>> What benefits this gives over definining distinct struct? 
>> Sounds like unnecessary complication for me.
>
> See the code in my precedent post, what do you think about it?
>
> Bye,
> bearophile

Change

     alias Two = Tuple!(string,"str", int, "bob");

to

     struct Two
     {
         string str;
         int bob;
     }

and it will become much more readable while staying semantically 
equivalent