From: Andrew Timberlake <andrew@...>
Date: 2009-05-22T20:13:05+09:00
Subject: Re: How does array.each element work?

On Fri, May 22, 2009 at 12:49 PM, Neela megha shyam Chivukula
<indrashyam@gmail.com> wrote:
> Hi All,
>
> Here is my code snippet:-
> my_array = [1,2,3]
> puts my_array.each {}
>
> or
>
> my_array = [1,2,3]
> my_array.each {|x| puts x}
>
> O/p:-
> 1
> 2
> 3
>
> I want to know how the array.each works. How the compiler interprets and
> prints.
>
> Thanks and regards,
> Neela.


http://www.ruby-doc.org/core/classes/SOAP/RPC/SOAPMethodResponse.html#M006286
each will iterate over each element in the array and then yield to a
supplied block with a single variable, the item in the array.
If you have a look at the C code, you'll see a familiar looking for
loop with calls to yield.

For a better understanding, you need to do some further reading on
blocks in ruby.

Start with http://www.rubycentral.com/book/tut_containers.html

Andrew Timberlake
http://ramblingsonrails.com

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