From: Ross Bamford <rossrt@...>
Date: 2006-04-14T23:29:59+09:00
Subject: Re: Strange Integer() behavior

On Fri, 2006-04-14 at 22:54 +0900, Robert Dober wrote:
> On 4/14/06, Robert Klemme <shortcutter@googlemail.com> wrote:
> >
> > 2006/4/14, Patrick Joyce <patrick.t.joyce@gmail.com>:
> > > I guess the project for tomorow is to figure out where that "039" is
> > > coming from in the Mechanize parser.
> >
> > Well, if you want to use Integer then the obvious fix is to do str.sub/^0+/, ''
> >
> > Ruby can do better
> Integer("08") or Integer("038") bomb
> "08".to_i + "038".to_i => 46
> 

It's often a bit too relaxed, though:

"oh eight".to_i + "038".to_i
# => 38

Whereas:

Integer("oh eight") + Integer("038".sub(/^0+/, ''))
ArgumentError: invalid value for Integer: "oh eight"
        from (irb):4:in `Integer'
        from (irb):4

-- 
Ross Bamford - rosco@roscopeco.REMOVE.co.uk