From: Paul Private <paulus4605@...>
Date: 2007-12-02T15:20:04+09:00
Subject: Re: question about iterator

THanks Jordan
this was exactly what I was looking for

Paul

Jordan Callicoat wrote:
> On Dec 1, 2:05 pm, Paul Private <paulus4...@gmail.com> wrote:
>> class Cursus_applic
>>   puts Java, other
>>
>> >> zoo.each { |a| puts a.name }
>> > In defining your class it is easy to override any inherited method,
>> > and generally a lot less work to inherit than to create everything
>> > from nothing.
>>
>> > Is het voor en hogeschool in het Nederlands? Polytechnische school?
>>
>> --
>> Posted viahttp://www.ruby-forum.com/.
> 
> Like others have mentioned, you're calling <=> on an instance of class
> Cursus, but haven't defined it for that class. I think what you mean
> is...
> 
> cursussen.sort { |a, b| a.to_s <=> b.to_s }
> 
> ...Cursus#to_s is only implicitly called when a string object is
> required (like for puts, or when it is coerced by "string +", &c).
> Otherwise you have to explicitly call it yourself.
> 
> Regards,
> Jordan

-- 
Posted via http://www.ruby-forum.com/.