From: Rob Biedenharn <Rob@...>
Date: 2009-11-25T07:55:19+09:00
Subject: Re: Help with each_with_index method

On Nov 24, 2009, at 5:40 PM, Chris Pelow wrote:
>> Now, given your requirement for how you'd like the names to be
>> printed, I think I'd also add a full_name() method to the Person
>> class, something like:
>>
>>    class Person
>>      def full_name
>>        unless middlename.empty?
>>          "#{firstname} #{middlename} #{surname}"
>>        else
>>          "#{firstname} #{surname}"
>>        end
>>      end
>>    end
>>
>> Finally, there are several issues with the bit at the end where  
>> you're
>> trying to iterate over the array of people. You have two loops (an
>> #each loop and then an #each_with_index loop) nested inside each
>> other. For the inner loop, the "index" and "person" arguments that
>> each_with_index() passes into the block aren't instance variables, so
>> you just refer to them as "index" and "person", not "@index" and
>> "@person". I'd change that last bit to look like this:
>>
>>    people_sorted = people.sort
>>    people_sorted.each_with_index do |person, index|
>>      puts "Hi there #{index} #{person.full_name}!"
>>    end
>>
>> Hope this helps,
>>
>> Lyle
>
> Hi Lyle,
>
> Thank you very much for your time in helping me here and for your
> suggestions. You have also helped me understand it alot more so thank
> you for that. I have made the suggested changes exactly how you
> suggested however I am getting syntax errors for that full_name method
> you gave me. Have I done it right?
>
> Thanks alot,
> Chris.
>
> Attachments:
> http://www.ruby-forum.com/attachment/4290/Person2.rb
>
> -- 
> Posted via http://www.ruby-forum.com/.

Look very closely at the line having the error and match up all the  
paired delimiters.

-Rob

Rob Biedenharn		http://agileconsultingllc.com
Rob@AgileConsultingLLC.com