python vs d

[John Colvin via Digitalmars-d]

On Monday, 28 April 2014 at 23:02:03 UTC, bearophile wrote:
> I think it could be a good idea to add something intermediate 
> to D: optional strong typing for array indexing. I'd like to 
> write a DIP on this someday (note that this does not mean I am 
> suggesting D array indexes to optionally start from values 
> different from 0. I am referring just to types, and 
> enumerations are could be not supported).
>
> Bye,
> bearophile

Any reason why this needs language support? I haven't tried it, 
but I can't see why it can't be trivially done in a library.