Experimental approach to reference-type random number generators

[bearophile]

Joseph Rushton Wakeling:

> Today I spent some time playing around with an attempt at a 
> wrapper for random number generation.  The idea is that random 
> number generators should exist as reference types, but without 
> needing to be implemented as classes.

I think I'd like std.random2.Random to be a final class.

Bye,
bearophile