From: Felix Windt <fwmailinglists@...>
Date: 2007-07-30T08:08:27+09:00
Subject: Re: nubie question

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> -----Original Message-----
> From: Mac Pat [mailto:pat.mac5453@gmail.com] 
> Sent: Sunday, July 29, 2007 3:05 PM
> To: ruby-talk ML
> Subject: nubie question
> 
> I am trying to learn Ruby and I have read the picax book at 
> least twice and seems to understand most of what is said in 
> the book. Now I am reading through some of the code written 
> that I down loaded. I saw some code that I wanted someone to 
> explain to me.
> 
> 
> module HL7 # :nodoc:
>   VERSION = "0.1.%s" % "$Rev: 23 $".gsub(/\$Rev:\s+/, 
> '').gsub(/\s*\$$/, '') end
> 
> # Encapsulate HL7 specific exceptions
> class HL7::Exception < StandardError
> end
> 
> # Parsing failed
> class HL7::ParseError < HL7::Exception
> end
> 
> 
> 
> Explain to me how to use the "::" operator. It seems the 
> author is defining a Class called HL7::Exception? The syntax 
> for class definition is Class Name.
> 
> 
> 
> Thanksl


Check out the Pickaxe chapter on modules.

HTH,

Felix

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