From: Valentino Lun <sumwo@...>
Date: 2009-02-19T00:36:01+09:00
Subject: Dummy question about method in class

Dear all

I have a dummy question.

[1,2,3,4,5].inject { |sum,n| sum+n }
The inject method in this case is to calculate the sum of array.

I searched the RDoc. Why the inject method is belongs to Enumerable
Class, but not Array Class?

Many thanks
Valentino
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