From: 7stud -- <lists@...>
Date: 2012-09-13T12:46:23+09:00
Subject: Re: Breaking Down the Block

incag neato wrote in post #1075712:
> Can someone please explain in plain english how this block treats the
> given variables (and values in the array)? I am struggling to understand
> the relationship of 't' and 'n' with the array.
>
> class Array
>   def sum
>     inject(0) {|t,n| t + n}
>   end
> end
> puts [1,2,3].sum
>
> Is 't' effectively labeled as '0' (zero), given the assignment on the
> inject method?
> What "is" 't' exactly?


Just forget inject() even exists.  It's really quite a pathetic method.

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