From: Yukihiro Matsumoto <matz@...>
Date: 2009-11-02T16:06:01+09:00
Subject: [ruby-core:26481] Re: New Features for the Array Module

Hi,

In message "Re: [ruby-core:26471] Re: New Features for the Array Module"
    on Sun, 1 Nov 2009 22:56:14 +0900, Kornelius Kalnbach <murphy@rubychan.de> writes:

|So:
|+1 for Array#sum if it is defined as #inject(&:+)
|-1 on type-limited Array#sum and Array#mean

-1 for #sum to calculate not based on numeric addition.
Use inject(&:+) otherwise.

							matz.