From: Joel VanderWerf <vjoel@...>
Date: 2008-07-02T07:14:33+09:00
Subject: Re: Is posible String#to_s doesn't add the decimal value if not needed?

I単aki Baz Castillo wrote:
> Hi, I want to convert a string to a Float value:
> 
>   irb> "1.5".to_f
>   => 1.5
> 
> But if I do:
> 
>   irb> "1".to_f
>   => 1.0
> 
> I get '1.0' instead of just '1'. Is not possible to just get '1' in this case?

Well, you could do this:

a = ["1", "1.5"].map do |x|
   Float x # validate
   eval x
end

p a

-- 
       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407