From: Ryan Leavengood <leavengood@...>
Date: 2005-10-20T04:08:01+09:00
Subject: Re: Functional with Ruby

On 10/19/05, Ryan Leavengood <leavengood@gmail.com> wrote:
>
> irb(main):002:0> a.inject(0){|i,sum| i+sum}

One small thing, I had the order wrong on the parameters (i.e. the
names are misleading.) It should be:

a.inject(0){|sum,i| sum+i}

It still works either way in this case. But other kinds of injects may
not be commutative, so I just wanted to make sure I didn't mess up any
newbies :)

ri is your friend.

Ryan