String#to_i doesn't mutate the string.

Chris Gehlker wrote:
> I'm just curious. I already found a work-around.
> 
> testAry = ["5", "7", "9"]
> p testAry
> testAry = testAry.each { |n| n.to_i}
> p testAry
> ------------------------------
> The second output is still an array of strings.
> 
> -- 
> Conscience is thoroughly well-bred and soon leaves off talking to those 
> who do not wish to hear it.
> -Samuel Butler, writer (1835-1902)
> 
>