generators : random shootout

[Mark McEahern]

GerritM wrote:
> I did not yet look at iterators at all, therefor I like this thread a lot!
> Apparantly the strange construction with the zip is used in order to get N
> iterations of gr. Does some more elegant solution exist to get N
> iterations, for instance:
> gr[1:N]
> gr.getiterations(100)

Not sure, but in my testing the zip doodad actually takes longer, contrary
to the original claim that it sped it up.

Cheers,

// mark