From: Michael Granger <ged@...>
Date: 2003-08-15T14:30:30+09:00
Subject: Re: common constructor idioms

On Tuesday, August 12, 2003, at 11:49 AM, Dave Thomas wrote:

>> class MyClass
>>     def initialize(x)
>>         if x.class == MyClass then
>>             #some code to duplicate stuff in x
>>         else
>>             #potentially other initialization mechanisms here
>>         end
>>     end
>> end

[snip]

> ...or... I'd simply implement an instance method to duplicate a 
> particular object.

Or just implement the copy constructor and use #dup or #clone:

class MyClass
   def initialize_copy( x )
     # Some code to duplicate stuff in x
   end
end

--
Michael Granger <ged@FaerieMUD.org>
Rubymage, Believer, Architect
The FaerieMUD Consortium <http://www.FaerieMUD.org/>