From: Luis Lavena <luislavena@...>
Date: 2010-09-29T13:00:14+09:00
Subject: Re: Error - "`+': can't convert nil into String"

On Sep 29, 12:03 am, Paul Roche <prpaulro...@gmail.com> wrote:
> Why does the code below give me this error? What can I do to fix it?
>
> /people3.rb:4:in `+': can't convert nil into String (TypeError)
> om C:/Ruby192/people3.rb:4:in `to_s'
>
> class Person
> attr_accessor :fname, :lname, :age
> def to_s
> "hi " + @fname + ", " + @lname
> end
>
> end
>

Either @fname or @lname are nil

You can't concatenate nil to an string.

--
Luis Lavena