From: Li Chen <chen_li3@...>
Date: 2010-04-12T00:32:40+09:00
Subject: Re: Hash name increment on iteration?

Brian Candler wrote:

> Inside it will be implemented something like this:
> 
> module Enumerable
>   def each_with_index
>     i = 0
>     each do |elem|
>       yield elem, i
>       i += 1
>     end
>   end
> end
> 
> But you could consider it like this:
> 
> class Array
>   def each_with_index
>     size.times do |i|
>       yield self[i], i
>     end
>   end
> end



Hi Brian,

Just some follow-up questions for these codes:
I recall the the method call in Ruby follow this format: 
"receiver.method"
So
1) which one is the reciever for "each"?
2) which one is the reciever for "size"?

Thanks,

Li

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