reduce -> fold?

[Luís Marques via Digitalmars-d]

On Friday, 29 January 2016 at 12:08:01 UTC, Andrei Alexandrescu 
wrote:
> So the next best solution is to introduce a new name such as 
> the popular "fold", and put them together in the documentation.

Just to bikeshed a little, I remember that when I first started 
using std.algorithm I was ctrl-F'ing for "accumulate" and not 
finding it quite often. D competes with C++ directly, so do 
consider that name :-)