From: snacktime <snacktime@...>
Date: 2006-09-21T14:58:28+09:00
Subject: Re: Ruby doesn't convert from String to int

On 9/20/06, Yu Co <djhackebeil@yahoo.de> wrote:
> Austin Ziegler wrote:
> > On 9/20/06, Yu Co <djhackebeil@yahoo.de> wrote:
> >> Hi all,
> >>
> >> I have the following peace of code:
> >> arr = [5, 5, 2002]
> >> date = Date.new(arr[2].to_i, arr[1].to_i, arr[0].to_i)
> >>
> >> I need to convert the String elements in the array into int. I want to
> >> do that with to_i, but this method returns me a Fixnum, thus I couldn't
> >> fill my date Object...
> >> Any suggestions?
> >
> > Yes. Try it again.
> >
> > 1. Your array contains Fixnum values already.
> > 2. You're probably getting a different error.
> > 3. Fixnum values are integer values.
> >
> > If you have a problem, your real code and/or a backtrace would be
> > useful.
> >
> > -austin
>
> The error message looks like
> {RUBY_HOME}/lib/ruby/1.8/date.rb:591:in `new': invalid date
> (ArgumentError)
>         from {}db/old_DB.rb:98:in `parseToDate'
>         from {}db/old_DB.rb:61:in `callMethod'
>         from {}db/old_DB.rb:47:in `callMethod'
> ...
>
> I am wondering why Ruby converts a String to Fixnum after calling to_i

Because that's what to_i does?  An integer IS a Fixnum.  Also, the
code you posted as not working works just fine, which is why the
subtle hint by Austin to post the *real* code that is actually
breaking.  Chances are you array doesn't contain what you assume it
does.