Should reduce take range as first argument?

[bearophile]

monarch_dodra:

> Well, I went and implemented the option of doing it Range 
> first, then Seed, so that UFCS works.

To reduce deprecation troubles there is a Bugzilla suggestion to 
call it fold():
http://d.puremagic.com/issues/show_bug.cgi?id=8755

Bye,
bearophile