From: Ken Bloom <kbloom@...>
Date: 2008-03-08T00:39:54+09:00
Subject: Re: Erratic result

On Thu, 06 Mar 2008 03:49:13 -0500, coolgeng coolgeng wrote:

> [Note:  parts of this message were removed to make it a legal post.]
> 
> Hi
>   I do not know how to explain the different result between the two
> snippets:

>   def dial(digit)
>     puts digit end
>   digits = 0..9
>   puts  digits.each {|digit| dial(digit) }

It's that extra puts before digits.each
By convention, #each returns self, so after using dial to call puts for 
each individual digit, you also call puts on the return value of 
digits.each, which is digits itself. puts calls #to_s on digits, which 
for a Range gives you the source code representation of the range.

--Ken

-- 
Ken (Chanoch) Bloom. PhD candidate. Linguistic Cognition Laboratory.
Department of Computer Science. Illinois Institute of Technology.
http://www.iit.edu/~kbloom1/