From: Todd Benson <caduceass@...>
Date: 2008-08-26T10:14:38+09:00
Subject: Re: adding string and numbers

On Mon, Aug 25, 2008 at 7:46 PM, Adam Iggy <raver_iggy@hotmail.com> wrote:
> Dana Merrick wrote:
>> Adam Iggy wrote:
>>> puts 'did you know there are '+name1.length+name2.length+name3.length+ '
>>> letters in your name?'
>>>
>>> the problem is i get the strings combined, not adding the seperate
>>> numbers together.
>>
>> Try putting parentheses around the addition, like this:
>>
>> (name1.length+name2.length+name3.length).to_s
>>
>> -Dana
>
>
> hurray that worked!
>
> im not quite sure why it worked though? doesnt it need to be integers to
> add together?

(integer + integer + integer).to_s

Inside the parentheses, those are Integer instances being added
together, then the to_s turns the sum into a String object so it will
cooperate with the surrounding strings.

I hope that makes some sense.  Sometimes, I don't even know what I'm saying :-)

Todd