1st draft of complete class-based std.random successor

[bearophile]

Joseph Rushton Wakeling:

Few first comments:

>    * std.random2.adaptor, random "adaptors" such as 
> randomShuffle,
>      randomSample, etc.

Please don't use stuttering names like 
"std.random2.randomShuffle". "std.random2.shuffle" is enough.


> My own feeling is that ultimately it is a responsibility of the 
> language to offer nice ways to allocate classes without 
> necessarily relying on new or the GC.

I don't think the language is yet there. So I think currently 
this is not a good idea.

Do you have a simple but very fast function that generates 
uniforms in [0.0, 1.0]? :-)

Bye,
bearophile