From: Javier Fontan <jfontan@...>
Date: 2002-03-20T17:50:11+09:00
Subject: Re: Why no String#bin?


Returning false should work.

On Wed 20 Mar 2002 02:21, you wrote:
> Paul Brannan wrote:
> ....
>
> > Additionally, both String#oct and String#hex return 0 on error, which
> > means I have no way to distinguish between an error condition and the
> > number zero.
> >
> > A preferable solution would be a Ruby interface to rb_str2inum.  This is
> > still not optimal, because there is still (afaict) no way to detect bad
> > data.  A Ruby interface to strtoul would work, but would not work with
> > Bignums.
>
> Cannot Ruby handle this with exceptions?
> Why doesn't Ruby define NaN (Not a Number), as does ANSI C++?
> I recall that C++ also has Undefined.

-- 
Javier Fontan Mui�os
jfontan@cesga.es
CESGA, Supercomputing Center of Galicia