Shiro Kawai scripsit:

> "Reduce" has precedence in CL and some other languages but the usage
> seems a bit more liberal than "fold" - some allows omitting initial
> value, for example.

The difference between reduce and fold is that the seed value is
used only when the sequence being reduced is zero-length: it does
not participate in the "normal" operations.

--
John Cowan          http://www.ccil.org/~cowan        xxxxxx@ccil.org
You escaped them by the will-death and the Way of the Black Wheel.
I could not.  --Great-Souled Sam