From: Joel VanderWerf <vjoel@...>
Date: 2008-05-21T00:34:54+09:00
Subject: Re: Why is Array#to_f not defined?

Fredrik wrote:
> Ruby (1.8.6) seems to be missing numeric conversion methods for
> Arrays :
> 
> class Array
>   def to_f
>     self.map { |i| i.to_f }
>   end
> end
> 
> (and the same for to_i)
> Did somebody forget to include that? :) Surely there is no reason to
> NOT have this method for the Array class.
> 
> /Fredrik

Maybe someone expects this:

class Array
   def to_f
     Float("#{at(0)}.#{at(1)}E#{at(2)}")
   end
end

p [2, "0001", 123].to_f  # ==> 2.0001e+123

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