gotoken / math.sci.hokudai.ac.jp (GOTO Kentaro) writes:

>   ary.xxx{|i|i.m} for ary.sort{|i,j|i.m<=>j.m}
>...

> Now, I can't choose the name of this method xxx. The following lists
> the candidates:

I'd go with 'sort_by' or (not on your list) 'sort_using'.

Dave